aaaand the rest of the modules folder

code/modules/reagents/chemistry/holder.dm

@@ -15,6 +15,7 @@
 /datum/reagents/New(maximum=100)
 	maximum_volume = maximum
 
+
 	//I dislike having these here but map-objects are initialised before world/New() is called. >_>
 	if(!GLOB.chemical_reagents_list)
 		//Chemical Reagents - Initialises all /datum/reagent into a list indexed by reagent id
@@ -295,6 +296,7 @@
 		C.update_stamina()
 	update_total()
 
+
 /datum/reagents/proc/set_reacting(react = TRUE)
 	if(react)
 		flags &= ~(REAGENT_NOREACT)
@@ -743,8 +745,7 @@
 					out += "[taste_desc]"
 
 	return english_list(out, "something indescribable")
-	
-	
+
 /datum/reagents/proc/expose_temperature(var/temperature, var/coeff=0.02)
 	var/temp_delta = (temperature - chem_temp) * coeff
 	if(temp_delta > 0)

code/modules/reagents/chemistry/reagents/drink_reagents.dm

@@ -70,7 +70,7 @@
 			//nothing
 		if(21 to INFINITY)
 			if(prob(current_cycle-10))
-				M.cure_nearsighted()
+				M.cure_nearsighted(list(EYE_DAMAGE))
 	..()
 	return
 
@@ -172,6 +172,22 @@
 	M.emote("laugh")
 	..()
 
+/datum/reagent/consumable/superlaughter
+	name = "Super Laughter"
+	id = "superlaughter"
+	description = "Funny until you're the one laughing."
+	metabolization_rate = 1.5 * REAGENTS_METABOLISM
+	color = "#FF4DD2"
+	taste_description = "laughter"
+
+/datum/reagent/consumable/superlaughter/on_mob_life(mob/living/carbon/M)
+	if(!iscarbon(M))
+		return
+	if(prob(30))
+		M.visible_message("<span class='danger'>[M] bursts out into a fit of uncontrollable laughter!</span>", "<span class='userdanger'>You burst out in a fit of uncontrollable laughter!</span>")
+		M.Stun(5)
+	..()
+
 /datum/reagent/consumable/potato_juice
 	name = "Potato Juice"
 	id = "potato"

code/modules/reagents/chemistry/reagents/medicine_reagents.dm

@@ -44,7 +44,7 @@
 	M.adjustToxLoss(-5, 0)
 	M.hallucination = 0
 	M.setBrainLoss(0)
-	M.disabilities = 0
+	M.remove_all_disabilities()
 	M.set_blurriness(0)
 	M.set_blindness(0)
 	M.SetKnockdown(0, 0)
@@ -129,31 +129,16 @@
 	taste_description = "sludge"
 
 /datum/reagent/medicine/cryoxadone/on_mob_life(mob/living/M)
-	switch(M.bodytemperature) // Low temperatures are required to take effect.
-		if(0 to 100) // At extreme temperatures (upgraded cryo) the effect is greatly increased.
-			M.status_flags &= ~DISFIGURED
-			M.adjustCloneLoss(-1, 0)
-			M.adjustOxyLoss(-9, 0)
-			M.adjustBruteLoss(-5, 0)
-			M.adjustFireLoss(-5, 0)
-			M.adjustToxLoss(-5, 0)
-			. = 1
-		if(100 to 225) // At lower temperatures (cryo) the full effect is boosted
-			M.status_flags &= ~DISFIGURED
-			M.adjustCloneLoss(-1, 0)
-			M.adjustOxyLoss(-7, 0)
-			M.adjustBruteLoss(-3, 0)
-			M.adjustFireLoss(-3, 0)
-			M.adjustToxLoss(-3, 0)
-			. = 1
-		if(225 to T0C)
-			M.status_flags &= ~DISFIGURED
-			M.adjustCloneLoss(-1, 0)
-			M.adjustOxyLoss(-5, 0)
-			M.adjustBruteLoss(-1, 0)
-			M.adjustFireLoss(-1, 0)
-			M.adjustToxLoss(-1, 0)
-			. = 1
+	var/power = -0.00003 * (M.bodytemperature ** 2) + 3
+	if(M.bodytemperature < T0C)
+		M.adjustOxyLoss(-3 * power, 0)
+		M.adjustBruteLoss(-power, 0)
+		M.adjustFireLoss(-power, 0)
+		M.adjustToxLoss(-power, 0)
+		M.adjustCloneLoss(-power, 0)
+		M.status_flags &= ~DISFIGURED
+		. = 1
+	metabolization_rate = REAGENTS_METABOLISM * (0.00001 * (M.bodytemperature ** 2) + 0.5)
 	..()
 
 /datum/reagent/medicine/clonexadone
@@ -670,13 +655,13 @@
 	if(M.has_disability(DISABILITY_BLIND, EYE_DAMAGE))
 		if(prob(20))
 			to_chat(M, "<span class='warning'>Your vision slowly returns...</span>")
-			M.cure_blind()
-			M.cure_nearsighted()
+			M.cure_blind(EYE_DAMAGE)
+			M.cure_nearsighted(EYE_DAMAGE)
 			M.blur_eyes(35)
 
 	else if(M.has_disability(DISABILITY_NEARSIGHT, EYE_DAMAGE))
 		to_chat(M, "<span class='warning'>The blackness in your peripheral vision fades.</span>")
-		M.cure_nearsighted()
+		M.cure_nearsighted(EYE_DAMAGE)
 		M.blur_eyes(10)
 	else if(M.eye_blind || M.eye_blurry)
 		M.set_blindness(0)