character_can_easily_self_treat_trigger

character_can_easily_self_treat_trigger = {
	OR = {
		# Understand medicine implicitly.
		has_trait = lifestyle_physician
		has_trait = lifestyle_herbalist
		has_trait = devoted
		## Truly, obscenely high learning means your general knowledge is good enough for anything even if you aren't specifically an expert on it.
		learning >= 35
		# Understands medicine if learning is high enough.
		AND = {
			learning >= high_skill_rating
			OR = {
				has_trait = lifestyle_gardener
				has_trait = lifestyle_traveler
			}
		}
		# Might understand medicine if learning is really, really high.
		AND = {
			learning >= very_high_skill_rating
			OR = {
				has_trait = intrigue_court_2
				has_trait = scholarly_court_2
			}
		}
		AND = {
			learning >= extremely_high_skill_rating
			OR = {
				has_trait = intrigue_court_1
				has_trait = scholarly_court_1
			}
		}
	}
}

As written in game/common/scripted_triggers/20_health_triggers.txt.