Difference between revisions of "Injury"

Injuries are physical damage to a living being. Humanoids, animals, and mechanoids can sustain injuries from many sources, which each have their own Damage Type.

Injury types[edit]

Main article: Health Difficulties

Different weapons cause different types of injuries. For example, a mace will crush, a longsword will cut, and fire will burn. The type of injury impacts the amount of pain it causes, the rate of bleeding, and the chance of infection

Summary[edit]

Injuries reduce a body part's health, its efficiency, and causes pain to the pawn.

Damage[edit]

Every body part has a health value, which is lowered every time it takes damage. When it reaches 0, the part is completely destroyed.

Any damage will lower a body part's efficiency, proportional to its health remaining. For example, if a arm has 15/30 health, then that arm performs 50% worse. As each arm is responsible for 50% Manipulation, this results in the pawn having -25% Manipulation until the injury is healed. Some parts, like the torso, are not responsible for any pawn stat, but still take damage and cause pain.

Some damage can be permanent. See Scarring for more details.

Pain[edit]

Main article: Pain

The greater the damage, the greater the pain. Pain is equal to pain = (damage) * damage_type_factor. Most injuries have a damage type factor of 1.25, or 1.25% pain per 1 HP damage. This is then scaled for the pawn's health, so a thrumbo feels less pain than a human for the same damage attack.

Pain reduces Consciousness directly, which reduces most pawn capabilities. It also gives a rapidly increasing mood penalty, unless the pawn is a masochist or follows an ideoligion with the Pain: Idealized precept.

Excessive pain causes pain shock, the most common way to down pawns in combat, which prevents them from fighting. Most pawns have a Pain Shock Threshold of 80%. Note that enemies have a chance to immediately die when downed from pain shock, but not from other means, like blood loss or heat stroke.

Mechanoids are machines, and are immune to pain. In humans, pain can be completely eliminated with a painstopper, or reduced for a short time with go-juice or the Painblock psycast.

Bleeding[edit]

Bleeding is a common occurrence from certain damage types. While an injury is bleeding, pawns will gain blood loss, scaling with the wound and amount of wounds. Total blood loss is listed under whole body, with a tooltip showing the percent. If blood loss reaches 100%, the pawn will die. Bleeding pawns will also leave blood on the ground, making the area dirty.

Bleeding always stops immediately with tending, regardless of the tend quality or medicine used. However, higher quality medicine can cover more wounds at once, which can stop a pawn from bleeding out faster. Injuries will also heal on their own, though a lost limb will always continue to bleed until tended to.

The coagulator implant halves the rate of blood loss, while the Superclotting gene rapidly stops bleeding. The ability added by the Coagulate gene also immediately tends all wounds on the target pawn, instantly stopping bleeding.

Related[edit]

Infection[edit]

Main article: Infection#Mechanics

Infections can occur whenever a pawn is hurt by a bite, burn, frostbite, or any damage type that causes bleeding. A completely destroyed body part won't cause infection. Once a pawn recieves these injuries, the game starts a random timer between 15,000 ticks (4.17 mins) to 45,000 ticks (12.5 mins), per injury before checking for infection. The chance of infection depends on:

Damage type. Bite, burn or frostbite wounds have a 25% chance, other bleeding wounds have a 10% to infect.
Tend quality. The multiplier is 85% at 0% tend quality, linearly decreasing to 5% at 100% tend quality.
Location. The higher the Cleanliness, the lower the chance for infection (50% at 0 Cleanliness).

Animals are 20% as likely to receive an infection. Mechanoids can't get diseases.

Scarring[edit]

Scars are lasting markers of injuries. When an injury scars, it permanently lowers the health of the scarred body part, reducing its efficiency. They also cause a small amount of pain. The chance of scarring depends on damage type and the part being damaged. The eyes are particularly vulnerable to scars. Brain damage will always scar, and therefore always be permanent. In addition to injury, pawns may start with scars on them.

Scars can be healed by a limited number of ways. Artificial body parts never scar, and replacing an organic part will cure any scars. Luciferium and the Scarless gene heal 1 scar every 15-30 days. A biosculpter pod can do Bioregeneration, which costs 2 glitterworld medicine and takes time to complete. A healer mech serum can heal scars, but is very rare. A Creepjoiner with the Unnatural healing ability can also heal scars.

Trauma savant[edit]

Main article: Ailments#trauma savant

Being shot in the brain can cause the trauma savant condition.

If a pawn receives physical damage to the brain, they have a 12% of receiving trauma savant. This ailment causes the following effects:

A ×0% multiplier to Talking and Hearing, making the pawn unable to socialize.
+50% to Manipulation, increasing effectiveness in many tasks
Brain function is restored, as if it was not injured

Trauma savant can be cured with a healer mech serum. However, healer mech serum will always cure scars before trauma savant. As this ailment always occurs with a brain scar, you'll need multiple serums, or a serum with another way of curing scars (such as luciferium).

It can also be cured with a resurrector mech serum. If a pawn dies, and their corpse doesn't have a head or brain, then using a resurrector serum will restore usual brain function. With the Ideology DLC, you can use the 'extract skull' option to always remove a human corpse's head. In Core RimWorld, you can eat the corpse, though this risks eating the entire corpse.

Healing[edit]

Injured colonists will recover from their wounds over time. Tending to a wound and resting in bed speeds up recovery.

Healing Rate[edit]

Every 600 ticks (10 secs), heal rate × 0.01 points of damage are healed from a randomly selected (non-permanent) wound, or an average recovery of heal rate points of damage per in-game day (60,000 ticks). This healing reduces the severity of the injury, until the body part is fully recovered.

The exact heal rate is determined by adding up three factors:

Default healing rate: All pawns have a base heal rate of 8, or 12 if they have a Healing enhancer installed.
Is the pawn lying down or in a bed?:
- +4 for resting on a sleeping spot or the ground
- +8 for resting on a bed / double bed / bedroll / double bedroll
- +14 for resting on a hospital bed.
Is the wound tended?: +4 for 0% tend quality and +0.08 per percentage of quality, up to +12 at 100% tend quality.
Does the pawn have one of the following Genes:
- ×50% with slow wound healing gene.
- ×200% with fast wound healing gene.
- ×400% with superfast wound healing gene.
- The effect of the genes is applied after everything else, allowing, together with the highest quality treatment, to achieve 34 * 400% = 136 regeneration per day.

Immunity Gain Speed has no impact on injury recovery; it only impacts diseases.

The wounds of pawns suffering from malnutrition will not heal.^[Verify].

Example[edit]

To put this in perspective, consider a colonist who has taken 20hp of damage to various body parts, given different recovery scenarios:

Do nothing: With no tending or rest, they get the base heal rate of 8, so it will take (20 × 60,000) / 8 = 150,000 ticks (2.5 in-game days) to fully heal.
Basic tend and resting: With a 40% tend quality (+7.2) and rest in a non-hospital bed (+8), they'll have a heal rate of 8 + 7.2 + 8 = 23.2, so it will take 51,724 ticks to heal (approximately 21 in-game hours)
Best quality care: With 100% tend quality (+12) and rest in a hospital bed (+14), they'll have a heal rate of 8 + 12 + 14 = 34, so it will take 35,294 ticks to heal (approximately 14 hours in game)

Medicine[edit]

Medicine does not directly cause healing, but it increases the average tend quality. Whenever a wound is tended, the quality is multiplied by the medicine given:

Medicine	Potency
None	0.30
Herbal medicine	0.60
Medicine	1.00
Glitterworld medicine	1.60

Each type of medicine has a cap on their tend quality; herbal medicine can reach a quality up to 70% in a regular bed, for instance.^[Verify]

While bleeding wounds can be stopped by any quality of treatment, medicine can treat multiple small wounds in a single "batch" of tending. For patients with many bleeding wounds, the difference can easily be life or death.

Medicine is also useful for treating disease, where tend quality is more impactful, and performing surgery, which is boosted greatly by medicine.

Disfigured[edit]

Damage to the nose caused Hairy to become disfigured

Disfigurement is caused by damage or destruction to any beauty related part. These include the nose, eyes, ears, jaw, and, since version Version/1.3.3101, tongue. Destruction of the parent of any of the previously mentioned parts also cause this malus (ex: a missing jaw also counts as missing a tongue). It adds the "Disfigured −15" opinion modifier. Disfigurement can be treated by healing/replacing the injured/destroyed body part. Since Version/1.5.4062, replacing the parent part also removes this opinion penalty (ex: Dentures and Bionic jaws prevents the penalty from a missing tongue).

While disfigurement does not have a direct impact on a pawn's beauty, it does disable the positive opinion for positive beauty, while stacking with negative beauty.

Even while Disfigured, the opinion modifier won't apply to pawns that are either:

Blind
Kind
Inhumanized
Belongs to an ideoligion with the Blindsight meme AND the affected part is an eye.

Trivia[edit]

Brain injuries in Rimworld cause large amounts of pain (20% or higher for a 5 hp wound), which can render a pawn permanently comatose in certain cases. This is a result of the reduction in Consciousness from the pain being added on top of the direct reduction in Consciousness from the brain injury itself due to the reduced part efficiency. However, in real life the human brain has no pain receptors. Despite their perceived location, headaches are usually caused by receptors triggering elsewhere in the head or neck, not by receptors in the brain. Certain types of headaches are due to irritation or swelling in the meninges, which is the membrane enveloping the brain and which does have pain receptors.

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-{{rewrite|reason=Content is good, but difficult to read. Headings, formatting, etc. needed to improve readability}}
 {{About|physical damage|chronic health conditions|Ailments|treatable illnesses|Disease}}
-{{imagemargin|[[File:injury_preview_anim.gif|right]]|10px}}'''Injuries''' are physical damage to a living being. [[Human]]oids, [[animal]]s, and [[mechanoid]]s can sustain injuries from multiple sources. This includes melee weapons, weapons fire, explosions, ceiling collapses, and [[fire]]. Each source of damage comes with a specific [[Damage Types|Damage Type]]. [[Colonist]]s, [[Visitor | visitors]], and [[prisoner]]s can be operated upon and may suffer an injury from a surgical mistake. Each kind of injury has a value of pain, a description for its scar, and flavor text for being mended by [[Health|medicine]].
-A colonist in shock from extreme pain or incapacitated due to loss of movement becomes '[[#Incapacitation | downed]]'. [[Menus#Doctor|Doctors]] will automatically rescue downed colonists.
+{{imagemargin|[[File:injury_preview_anim.gif|right]]|10px}}'''Injuries''' are physical damage to a living being. [[Human]]oids, [[animal]]s, and [[mechanoid]]s can sustain injuries from many sources, which each have their own [[Damage Types|Damage Type]].
 {{TOCright}}
 ==Injury types==
 {{main|Health Difficulties}}
-Different weapons cause different types of injuries.  For example, a [[mace]] will crush, a [[longsword]] will cut, and fire will burn.  The type of injury impacts the amount of [[pain]] it causes, the rate of bleeding, and the chance it gets infected.
+Different weapons cause different types of injuries.  For example, a [[mace]] will crush, a [[longsword]] will cut, and [[fire]] will burn.  The type of injury impacts the amount of [[pain]] it causes, the rate of bleeding, and the chance of [[infection]]
-==Pain==
+==Summary==
-{{main|Pain}}
+Injuries reduce a body part's health, its efficiency, and causes pain to the pawn.
-Injuries cause pain to a pawn, and excessive pain can cause a pawn to be downed from pain shock. Enemies have a chance to die instantly after being downed from pain, which can be adjusted in the difficulty settings. This can be particularly annoying when trying to capture a specific pawn for recruitment. Downing from other sources such as [[hypothermia]], [[heatstroke]], or [[toxic buildup]] do not kill instantly.
-Most pawns go into pain shock once their pain exceeds 80% except for [[Traits|wimps]] who are downed at 20% pain. Certain drugs such as [[go-juice]] and [[smokeleaf]] inhibit pain, and the [[painstopper]] implant removes it altogether. This does not come without a downside, however. Pain has a purpose. It tells the body when it is injured, and without pain or player intervention, pawns will continue to fight until they either win, die or, less likely, receive a crippling injury to the legs, pelvis or spine.
+===Damage===
+Every body part has a health value, which is lowered every time it takes damage. When it reaches 0, the part is completely destroyed.
-==Recovering from injuries==
+Any damage will lower a body part's efficiency, proportional to its health remaining. For example, if a arm has 15/30 health, then that arm performs 50% worse. As each arm is responsible for 50% [[Manipulation]], this results in the pawn having -25% Manipulation until the injury is healed. Some parts, like the torso, are not responsible for any pawn [[stat]], but still take damage and cause pain.
-Injured colonists will recover from their wounds over time.
-Every couple of minutes in game, a random injury will be healed by a small amount.
-This healing reduces the severity of the injury, and when the severity of the injury reaches zero the injury is fully healed.
-Every {{ticks|600}}, <font color="#390">'''''heal rate'' &times; 0.01'''</font> points of damage are healed from a randomly selected (non-permanent) wound.  This is equivalent to healing ''heal rate'' points of damage per in-game day ([[Time|60,000 ticks]]), or healing an average of 1 point of damage every <font color="#390">'''60,000 / heal rate'''</font> ticks.
+Some damage can be permanent. See [[#Scarring|Scarring]] for more details.
-The exact heal rate is determined by adding up three factors:
+===Pain===
+{{Main|Pain}}
+The greater the damage, the greater the [[pain]]. Pain is equal to <code>pain = (damage) * [[Health Difficulties|damage_type_factor]]</code>. Most injuries have a damage type factor of 1.25, or 1.25% pain per 1 HP damage. This is then scaled for the pawn's health, so a [[thrumbo]] feels less pain than a human for the same damage attack.
-* '''Default healing rate''': All pawns have a base heal rate of <font color="#390">'''8'''</font>
+Pain reduces [[Consciousness]] directly, which reduces most pawn capabilities. It also gives a rapidly increasing [[mood]] penalty, unless the pawn is a [[masochist]] or follows an [[ideoligion]]{{IdeologyIcon}} with the [[Ideoligion#Pain|Pain: Idealized]] precept.
-* '''Is the pawn lying down or in a bed?''': <font color="#390">'''+4'''</font> for resting on a [[sleeping spot]] or the ground, <font color="#390">'''+8'''</font> for resting on a [[bed]] / [[bedroll]], and <font color="#390">'''+14'''</font> for resting on a [[hospital bed]]
-* '''Is the wound tended?''': <font color="#390">'''+4'''</font> for a 0% quality tend and <font color="#390">'''+0.08'''</font> per point of tend quality, up to <font color="#390">'''+12'''</font> at 100% tend quality
-To put this in perspective, consider a colonist who has taken 20hp of damage to various body parts, given different recovery scenarios:
+Excessive pain causes [[pain shock]], the most common way to [[downed|down]] pawns in combat, which prevents them from fighting. Most pawns have a [[Pain Shock Threshold]] of 80%. Note that enemies have a chance to immediately die when downed from pain shock, but not from other means, like [[blood loss]] or [[heat stroke]].
-* '''Do nothing''': With no tending or rest, they get the base heal rate of <font color="#390">'''8'''</font>, so it will take <font color="#390">(20 &times; 60,000) / 8 = 150,000</font> ticks (2.5 in-game days) to fully heal.
-* '''Basic tend and resting''': With a 40% tend quality (<font color="#390">'''+7.2'''</font>) and rest in a non-hospital bed (<font color="#390">'''+8'''</font>), they'll have a heal rate of <font color="#390">8 + 7.2 + 8 = '''23.2'''</font>, so it will take 51,724 ticks to heal (approximately 21 in-game hours)
-* '''Best quality care''': With 100% tend quality (<font color="#390">'''+12'''</font>) and rest in a hospital bed (<font color="#390">'''+14'''</font>), they'll have a heal rate of <font color="#390">8 + 12 + 14 = '''34'''</font>, so it will take 35,294 ticks to heal (approximately 14 hours in game)
-Note that [[Immunity Gain Speed | immunity gain speed]] has no influence on the recovery rate from injuries -- it only affects recovery from [[disease]] (and vice-versa, the bonuses applied by beds and hospital beds to healing are different from the bonuses they apply to immunity gain speed).
+[[Mechanoid]]s are machines, and are immune to pain. In humans, pain can be completely eliminated with a [[painstopper]], or reduced for a short time with [[go-juice]] or the Painblock [[psycast]]{{RoyaltyIcon}}.
-=== Medicine ===
+===Bleeding===
-Medicine does not ''directly'' cause healing.  Instead, it affects the average [[Doctoring|tend quality]], which is also affected by the bed (or surface) the pawn is resting in and the skill and physical capacities of the doctor.  Each type of medicine ([[Herbal medicine|herbal]], [[Medicine|industrial]], and [[Glitterworld medicine|glitterworld]]) has a medical potency value, which is a direct multiplier on the average treatment quality, ranging from 0.3 for no medicine at all to 1.6 for Glitterworld Medicine.   As the treatment quality is one element of the healing equation, it ''does'' impact the healing process, but only partially.  For example, a colonist resting in a hospital bed with one wound tended at 0% and another at 100% will have a heal rate for the first wound of 26 and for the second wound of 34, which results in only a 24% reduction in the amount of time needed to heal any given amount of damage.
+Bleeding is a common occurrence from certain damage types. While an injury is bleeding, pawns will gain [[Ailments#Blood_loss|blood loss]], scaling with the wound and amount of wounds. Total blood loss is listed under whole body, with a tooltip showing the percent. If blood loss reaches 100%, the pawn will die. Bleeding pawns will also leave [[Filth#Blood|blood]] on the ground, making the area [[cleanliness|dirty]].
-However, medicine is also highly useful during tending, in that a doctor using medicine can often treat multiple small wounds in a single "batch" of tending, but must treat each individually if not using medicine.  For patients with a high bleed rate, the difference can easily be life or death.  As medicine is a valuable commodity in the early to mid game, this generally means you should conserve it and be careful about what you use it on. Large, bleeding cuts should be prioritized, while burns, frostbite, and bites should be tended with medicine next because of the high infection chance (unless the wounded person is almost dead from blood loss, in that case the smaller cuts should be tended with medicine). Bruises and cracks have no infection chance and should be tended with medicine last.  However, note that you cannot select which wound(s) a doctor treats with each tend, so if a colonists has both bleeding or high-infection-risk wounds and bruises, it may still be worth using medicine on the colonist's wounds to ensure the important ones are tended properly.
+Bleeding always stops immediately with tending, regardless of the tend quality or medicine used. However, higher quality medicine can cover more wounds at once, which can stop a pawn from bleeding out faster. Injuries will also heal on their own, though a lost limb will always continue to bleed until tended to.
-Disease tending is also very important.  Most diseases have a certain amount of severity gained per day, and then a certain amount of severity ''lost'' per day when tended.  If severity reaches 100%, the colonist (or animal) dies from the disease.  The severity lost per day when tended is directly multiplied against the tend quality.  Since immunity gain speed is fixed for each specific disease, high tend quality versus low can mean the difference between living and dying to the disease in some cases, especially with older or impaired patients (who have lower immunity case rates).  Other diseases (ex. Muscle Parasites) do not gain severity at all (nor immunity), and instead require a certain ''sum'' of treatment quality across all tends to the illness before they disappear.  Using better-quality medicine gives a substantially higher average tend quality, which can make the diseases disappear substantially quicker.
+The [[coagulator]] {{RoyaltyIcon}} implant halves the rate of blood loss, while the [[Genes#Superclotting|Superclotting gene]] {{BiotechIcon}} rapidly stops bleeding. The ability added by the [[Genes#Coagulate|Coagulate]]{{BiotechIcon}} gene also immediately tends all wounds on the target pawn, instantly stopping bleeding.
-Also note that surgery is impossible without medicine, and has a much lower base success chance than the equivalent base treatment quality at most levels of the Medicine skill.  As such, using the best available medicine, as well as the cleanest surgical environment and highest quality surgical best possible, is very important, often more so than the skill of the surgeon.  For example, the difference between a level 10 surgeon (93% base surgery success chance) and a level 20 surgeon (99%) is only a 6.5% gain in surgical success rate.  The difference between Herbal Medicine (60% potency) and Glitterworld Medicine (160% potency) is a ''167% increase'' in surgical success rate.
+==Related==
+===Infection===
+{{Main|Infection#Mechanics}}
+[[Infection]]s can occur whenever a pawn is hurt by a bite, burn, frostbite, or any damage type that causes bleeding. A completely destroyed body part won't cause infection. Once a pawn recieves these injuries, the game starts a random timer between {{ticks|15000}} to {{ticks|45000}}, per injury before checking for infection. The chance of infection depends on:
+*Damage type. Bite, burn or frostbite wounds have a 25% chance, other bleeding wounds have a 10% to infect.
+*Tend quality. The multiplier is 85% at 0% tend quality, linearly decreasing to 5% at 100% tend quality.
+*Location. The higher the [[Cleanliness]], the lower the chance for infection (50% at 0 Cleanliness).
-However, note that '''surgery success rate cannot exceed 98%'''.  All doctors, regardless of skill, medicine, and surgical environment, always have at least a 2% chance of failing the surgery.  This means that any combination of doctor skill and capabilities, medicine, and surgical environment that results in a 98% or higher surgical success rate is equivalent, and all additional bonuses are wasted.
+[[Animal]]s are 20% as likely to receive an infection. [[Mechanoid]]s can't get diseases.
-* '''Examples''': A legendary hospital bed applies a 1.43 surgery success chance factor, which is a direct multiplier on the surgical success chance.  Assuming a level 10 doctor (93% base success chance) and a neutrally clean room (Cleanliness 0, though you'll generally want to use [[Sterile tile|sterile tiles]] in your hospital to improve this), and a normal success chance surgery, the [[Doctoring#Surgery|surgical success chance]] with Herbal Medicine would be 83.78%, with Medicine 139.64%, and Glitterworld Medicine 223.42%.  However, since success chance cannot exceed 98%, both regular Medicine and Glitterworld Medicine are identical, and using the latter is a waste.
+===Scarring===
+{{stub|section=1|reason=Scar information (how the % chance for scar is determined)}}
+Scars are lasting markers of injuries. When an injury scars, it ''permanently'' lowers the health of the scarred body part, reducing its efficiency. They also cause a small amount of pain. The chance of scarring depends on damage type and the part being damaged. The eyes are particularly vulnerable to scars. Brain damage will always scar, and therefore always be permanent. In addition to injury, pawns may start with scars on them.
-: The same surgery performed by the same doctor in a normal bed (1.0 surgical success chance factor) in dirty room (Cleanliness -0.55, resulting in a 1.0 cleanliness surgical success chance factor) would have a 55.8% chance, 93.0% chance, and 148.8% chance of success, using Herbal Medicine, regular Medicine, and Glitterworld Medicine, respectively.  In this case, using Glitterworld Medicine instead of regular Medicine reduces the failure chance of the surgery by 71%!
+Scars can be healed by a limited number of ways. [[Artificial body part]]s never scar, and replacing an organic part will cure any scars. [[Luciferium]] and the ''Scarless'' [[gene]]{{BiotechIcon}} heal 1 scar every 15-30 days. A [[biosculpter pod]]{{IdeologyIcon}} can do Bioregeneration, which costs {{icon small|glitterworld medicine}} 2 [[glitterworld medicine]] and takes time to complete. A [[healer mech serum]] can heal scars, but is very rare. A [[Creepjoiner]]{{AnomalyIcon}} with the [[File:UnnaturalHealing.png|16px]]Unnatural healing ability can also heal scars.
-All surgeries in the base game have a 1.0 or higher multiplier to surgical success rate, though certain surgeries have differing rates of death on failure (ex. removing a Carcinoma has a 25% chance of death on failure).  Even aside from the direct death on failure rate, the damage dealt by a surgical failure can completely destroy a body part or organ, which may also result in the colonist's death.  Certain mods add surgeries with lower chance of success, which may justify using stronger medicine than would otherwise be required.
+===Trauma savant===
+{{Main|Ailments#trauma savant}}
+[[File:Trauma savant.png|400px|thumb|right|Being shot in the brain can cause the trauma savant condition.]]
+If a pawn receives physical damage to the brain, they have a 12% of receiving trauma savant. This [[ailment]] causes the following effects:
-The net result is that using higher-end medicine for surgeries is mostly only worthwhile in lower-quality surgical environments (less cleanliness, lower quality hospital beds, lower skilled doctors).  Beyond that point, higher-end medicine is more useful for its improved tend quality than its surgical success benefits.
+* A {{Bad|x0%}} multiplier to [[Talking]] and [[Hearing]], making the pawn unable to socialize.
+* {{Good|+50%}} to [[Manipulation]], increasing effectiveness in many tasks
+* Brain function is restored, as if it was not injured
-==Scarring==
+Trauma savant can be cured with a [[healer mech serum]]. However, healer mech serum will always cure scars before trauma savant. As this ailment always occurs with a brain scar, you'll need multiple serums, or a serum with another way of curing scars (such as luciferium).
-Scars are permanent markers of [[#Injury|injuries]]. They permanently lower the health of the scarred body part, making it easier to damage the affected body part in the future, in addition to reducing the efficiency of that body part proportionally.  Body part efficiency is a factor in pawn [[Capacity|Capacities]].  For example, a scarred neck impairs [[Breathing]], which then reduces the pawn's [[Consciousness]], [[Moving]], and [[Rest Rate Multiplier]].  The reduction in Consciousness further reduces the pawn's Moving, as well as [[Manipulation]], [[Eating]], and [[Talking]] capabilities.
+It can also be cured with a [[resurrector mech serum]]. If a pawn dies, and their [[corpse]] doesn't have a head or brain, then using a resurrector serum will restore usual brain function. With the [[Ideology DLC]], you can use the 'extract skull' option to always remove a human corpse's head. In Core RimWorld, you can eat the corpse, though this risks eating the entire corpse.
-Scars also cause a character a small amount of pain, even if the relevant body part is fully healed. Pain from scars results in a permanent mood penalty for non-masochistic characters. For a colonist with the [[Traits#Masochist|Masochist trait]], scar pain will provide a continual mood bonus instead of penalty.
+== Healing ==
+{{Stub|section=1|reason=Verification via C#, [[Preach health]], [[Healing enhancer]], with full math equation showing how the factors stack (both the different stats, which are likely multiplicative with each other, and the individual changes to those stats.}}
+Injured colonists will recover from their wounds over time. [[Doctoring|Tending]] to a wound and resting in bed speeds up recovery.
-Sometimes colonists are generated with minor scars and old gunshots already in place. Some body parts also scar instantly upon injury.
+=== Healing Rate ===
+{{Stub|section=1|reason=Other beds - royal bed, slab bed, dbl slab bed, ancient bed, crib. Don't trust pages, verify in code/game. Verify order of operations of genes and then example to include on row with a gene}}
+Every {{ticks|600}}, <font color="#390">'''''heal rate'' &times; 0.01'''</font> points of damage are healed from a randomly selected (non-permanent) wound, or an average recovery of ''heal rate'' points of damage per in-game day ([[Time|60,000 ticks]]). This healing reduces the severity of the injury, until the body part is fully recovered.
-It is possible to remove the pain from some scars by surgically implanting [[Health#Limb Replacement|artificial replacement]]s.  Artificial body parts will never scar.
+The exact heal rate is determined by adding up three factors:
-Scars can be treated by [[luciferium]], however the cost of using it usually outweighs the benefit, unless used on numerous scars, or a permanent brain injury.
+* '''Default healing rate''': All pawns have a base heal rate of {{Good|8}}, or {{Good|12}} if they have a Healing enhancer installed.
+* '''Is the pawn lying down or in a bed?''':
+** {{+|4}} for resting on a [[sleeping spot]] or the ground
+** {{+|8}} for resting on a [[bed]] / [[double bed]] / [[bedroll]] / [[double bedroll]]
+** {{+|14}} for resting on a [[hospital bed]].
+* '''Is the wound tended?''': {{+|4}} for 0% [[tend quality]] and {{+|0.08}} per percentage of quality, up to {{+|12}} at 100% tend quality.
+* '''Does the pawn have one of the following [[Genes#Healing|Genes]]:'''{{BiotechIcon}}
+** {{Bad|x50%}} with [[slow wound healing]] gene.{{BiotechIcon}}
+** {{Good|x200%}} with [[fast wound healing]] gene.{{BiotechIcon}}
+** {{Good|x400%}} with [[superfast wound healing]] gene.{{BiotechIcon}}
+** The effect of the genes is applied after everything else, allowing, together with the highest quality treatment, to achieve 34 * 400% = 136 regeneration per day.
+[[Immunity Gain Speed]] has no impact on injury recovery; it only impacts [[disease]]s.
-Another way to work around scar pain is to implement a [[Painstopper]], preventing all ongoing pain. The downside to this, however, is that should the pawn with an installed Painstopper take serious damage - they won't go down until they either lose a leg (or have it heavily injured), or die. Therefore, you should be extra watchful of their health as to decide whether to withdraw them from a controllable scenario (i.e. combat), as to prevent them from losing their life.
+The wounds of pawns suffering from malnutrition will not heal.{{Check Tag|Verify|Verify in game or code, conflicts with existing
+info}}.
-== Disfigured ==
+=== Example ===
-{{Stub}}[[File:Disfigured.jpg|400px|thumb|right|Damage to the nose caused Hairy to become disfigured]]
+To put this in perspective, consider a colonist who has taken 20hp of damage to various body parts, given different recovery scenarios:
-Disfigurement is caused by damage or destruction to the nose, eyes, ears or ?. It adds the "Disfigured {{--|15}}" opinion modifier.
+* '''Do nothing''': With no tending or rest, they get the base heal rate of <font color="#390">'''8'''</font>, so it will take <font color="#390">(20 &times; 60,000) / 8 = 150,000</font> ticks (2.5 in-game days) to fully heal.
+* '''Basic tend and resting''': With a 40% tend quality (<font color="#390">'''+7.2'''</font>) and rest in a non-hospital bed (<font color="#390">'''+8'''</font>), they'll have a heal rate of <font color="#390">8 + 7.2 + 8 = '''23.2'''</font>, so it will take 51,724 ticks to heal (approximately 21 in-game hours)
+* '''Best quality care''': With 100% tend quality (<font color="#390">'''+12'''</font>) and rest in a hospital bed (<font color="#390">'''+14'''</font>), they'll have a heal rate of <font color="#390">8 + 12 + 14 = '''34'''</font>, so it will take 35,294 ticks to heal (approximately 14 hours in game)
+== Medicine ==
+Medicine does not ''directly'' cause healing, but it increases the average [[tend quality]]. Whenever a wound is tended, the quality is multiplied by the medicine given:
+{| {{#if:{{{1|}}}|{{{1|}}}|class="wikitable"}}
+|-
+! Medicine !! Potency
+|-
+| [[File:Doctor care but no medicine.png|16px]] None || 0.30
+|-
+| {{Icon small|Herbal medicine}} [[Herbal medicine]] || 0.60
+|-
+| {{Icon small|Medicine}} [[Medicine]] || 1.00
+|-
+| {{Icon small|Glitterworld medicine}} [[Glitterworld medicine]] || 1.60
+|}
+Each type of medicine has a cap on their tend quality; herbal medicine can reach a quality up to 70% in a regular [[bed]], for instance.{{Check Tag|Verify|Mechanics unknown}}
-While disfigurement does nothing to directly affect the [[Beauty (Pawn)|beauty]] of a pawn it does however disable the positive opinion added by positive beauty while stacking with negative beauty, possibly netting a -55 opinion for the affected pawn.
+While bleeding wounds can be stopped by any quality of treatment, medicine can treat multiple small wounds in a single "batch" of tending. For patients with many bleeding wounds, the difference can easily be life or death.
-Similarly to beauty modifiers, [[Traits#ascetic|ascetic]], [[Traits#kind|kind]], and blind pawns do not gain nor lose any opinion based on disfigurement. Nor will pawns with the [[Blindsight]] ideologion{{IdeologyIcon}}, with regards to damage/removal of the eyes.{{Check Tag|Verify??| Removal of the eyes has a positive opinion effect on blindsight pawns but damage to the eyes, without destruction, is unknown to cause the disfigured status}}
+Medicine is also useful for treating [[disease]], where tend quality is more impactful, and performing [[surgery]], which is boosted greatly by medicine.
+== Disfigured ==
+[[File:Disfigured.jpg|400px|thumb|right|Damage to the nose caused Hairy to become disfigured]]
+Disfigurement is caused by damage or destruction to any beauty related part. These include the nose, eyes, ears, jaw, and, since version [[Version/1.3.3101]], tongue. Destruction of the parent of any of the previously mentioned parts also cause this malus (ex: a missing jaw also counts as missing a tongue). It adds the "'''Disfigured {{--|15}}'''" opinion modifier. Disfigurement can be treated by healing/replacing the injured/destroyed body part. Since [[Version/1.5.4062]], replacing the parent part also removes this opinion penalty (ex: [[Denture]]s and [[Bionic jaw]]s prevents the penalty from a missing tongue).
-Disfigurement can be treated by healing/replacing the injured/destroyed body part.
+While disfigurement does not have a direct impact on a pawn's [[Beauty (Pawn)|beauty]], it does disable the positive opinion for positive beauty, while stacking with negative beauty.
-==Trauma Savant==
-[[File:Trauma savant.png|400px|thumb|right|Being shot in the brain can cause the trauma savant condition.]]
-A pawn may become a trauma savant upon taking and surviving an injury to the Brain. Certain capabilities will rise and some will fall.
-Trauma Savant removes all ability to socialise, trade, or recruit by capping the pawn's capacity of Talking and Hearing at 0%;  In exchange, the pawn's Manipulation is increased by 50%, and they regain full brain function (meaning Consciousness and other functions will be normal) - this is great for doctors, crafters, general workers, and melee combat pawns (all of which rely on Manipulation and are not capped on its usage), but it'll make affected wardens or traders completely useless at that aspect.
-There is a 12% chance of any pawn becoming a trauma savant upon receiving brain damage. It does not have to be a humanlike, and can sometimes be seen applied on animals.
-While Trauma Savant can be cured, it is difficult and expensive, it is usually better to take advantage of the increased manipulation.
+Even while Disfigured, the opinion modifier won't apply to pawns that are either:
-To cure Trauma Savant, you will need a [[Healer mech serum]]; however this will heal the brain scarring first, so you have to either use multiple Healer mech serums or first apply Luciferium which will eventually heal all the scarring, at which point you can apply the Healer mech serum when Trauma Savant is the only health negative left.
+* Blind
+* [[Kind]]
+* [[Inhumanized]]{{AnomalyIcon}}
+* Belongs to an ideoligion{{IdeologyIcon}} with the [[Blindsight]] meme AND the affected part is an eye.
-==Trivia==
+== Trivia ==
 Brain injuries in Rimworld cause large amounts of pain (20% or higher for a 5 hp wound), which can render a pawn permanently comatose in certain cases.  This is a result of the reduction in Consciousness from the pain being added on top of the direct reduction in Consciousness from the brain injury itself due to the reduced part efficiency. However, in real life the human brain has no pain receptors.  Despite their perceived location, headaches are usually caused by receptors triggering elsewhere in the head or neck, not by receptors in the brain.  Certain types of headaches are due to irritation or swelling in the meninges, which is the membrane enveloping the brain and which ''does'' have pain receptors.
 [[Category:Health]]