1.0f - (1.0f - moralemodifier) * (disease points / max possible disease points);

<!--
<uiIndex>				number referred to by DrugType in Items.xml
<szName>				name of drug
<opinionevent>			if 1, other mercs will complain about drug use

There can be multiple <DRUG_EFFECT>, even of the same type.
possible drug effects:
		DRUG_EFFECT_HP			0
		DRUG_EFFECT_BP			1
		DRUG_EFFECT_AP			2
		DRUG_EFFECT_MORALE		3
		DRUG_EFFECT_PHYS_RES	4
		DRUG_EFFECT_STR			5
		DRUG_EFFECT_AGI			6
		DRUG_EFFECT_DEX			7
		DRUG_EFFECT_WIS			8

<duration> 				is how many turns this lasts
<size> 					is how strong the effect is. This can be positive or negative.
If <chance> is set, this is the chance that this effect is applied when consuming drug

There can be multiple <DISEASE_EFFECT>, even of the same type.
<disease> 				refers to a disease from Disease.xml
<size> 					is how many points are added to this disease. This can be positive (increase disease) or negative (cure disease)
If <chance> is set, this is the chance that this effect is applied when consuming drug

There can be multiple <DISABILITY_EFFECT>, even of the same type. For the duration of the effect, the merc will gain an extra disability.
Note: Currently only one such effect per time is allowed, additional effects overwrite previous ones.
<disability> 			refers to a disability:
		HEAT_INTOLERANT			1
		NERVOUS					2
		CLAUSTROPHOBIC			3
		NONSWIMMER				4
		FEAR_OF_INSECTS			5
		FORGETFUL				6
		PSYCHO					7
		DEAF					8
		SHORTSIGHTED			9
		
<duration> 				is how many turns this lasts
If <chance> is set, this is the chance that this effect is applied when consuming drug

There can be multiple <PERSONALITY_EFFECT>, even of the same type. For the duration of the effect, the merc will gain an extra disability.
Note: Currently only one such effect per time is allowed, additional effects overwrite previous ones.
<personality> 			refers to a disability:
		CHAR_TRAIT_SOCIABLE		1
		CHAR_TRAIT_LONER		2
		CHAR_TRAIT_OPTIMIST		3
		CHAR_TRAIT_ASSERTIVE	4
		CHAR_TRAIT_INTELLECTUAL	5
		CHAR_TRAIT_PRIMITIVE	6
		CHAR_TRAIT_AGGRESSIVE	7
		CHAR_TRAIT_PHLEGMATIC	8
		CHAR_TRAIT_DAUNTLESS	9
		CHAR_TRAIT_PACIFIST		10
		CHAR_TRAIT_MALICIOUS	11
		CHAR_TRAIT_SHOWOFF		12
		
<duration> 				is how many turns this lasts
If <chance> is set, this is the chance that this effect is applied when consuming drug
-->

<DRUG>
		<uiIndex>7</uiIndex>
		<szName>Cigar</szName>
		<!-- slightly lowered breath -->
		<DRUG_EFFECT>
			<effect>1</effect>
			<duration>3</duration>
			<size>-100</size>
		</DRUG_EFFECT>
		
		<!-- slightly increased morale breath -->
		<DRUG_EFFECT>
			<effect>3</effect>
			<duration>3</duration>
			<size>1</size>
		</DRUG_EFFECT>
		
		<!-- lung cancer -->
		<DISEASE_EFFECT>
			<disease>17</disease>
			<size>100</size>
		</DISEASE_EFFECT>	
	</DRUG>