diff --git a/code/modules/mob/living/carbon/damage_procs.dm b/code/modules/mob/living/carbon/damage_procs.dm
index ccbf735bd85..c83fcacb510 100644
--- a/code/modules/mob/living/carbon/damage_procs.dm
+++ b/code/modules/mob/living/carbon/damage_procs.dm
@@ -84,17 +84,15 @@
 //These procs fetch a cumulative total damage from all bodyparts
 /mob/living/carbon/getBruteLoss()
 	var/amount = 0
-	for(var/X in bodyparts)
-		var/obj/item/bodypart/BP = X
-		amount += BP.brute_dam
-	return amount
+	for(var/obj/item/bodypart/bodypart as anything in bodyparts)
+		amount += bodypart.brute_dam
+	return round(amount, DAMAGE_PRECISION)
 
 /mob/living/carbon/getFireLoss()
 	var/amount = 0
-	for(var/X in bodyparts)
-		var/obj/item/bodypart/BP = X
-		amount += BP.burn_dam
-	return amount
+	for(var/obj/item/bodypart/bodypart as anything in bodyparts)
+		amount += bodypart.burn_dam
+	return round(amount, DAMAGE_PRECISION)
 
 /mob/living/carbon/adjustBruteLoss(amount, updating_health = TRUE, forced = FALSE, required_bodytype)
 	if(!can_adjust_brute_loss(amount, forced, required_bodytype))
diff --git a/code/modules/unit_tests/reagent_mob_expose.dm b/code/modules/unit_tests/reagent_mob_expose.dm
index a47421328b5..20aa9c72e03 100644
--- a/code/modules/unit_tests/reagent_mob_expose.dm
+++ b/code/modules/unit_tests/reagent_mob_expose.dm
@@ -6,9 +6,9 @@
 /datum/reagent/method_patch_test/expose_mob(mob/living/target, methods = PATCH, reac_volume, show_message = TRUE)
 	. = ..()
 	if(methods & PATCH)
-		target.health = 90
+		target.setBruteLoss(20)
 	if(methods & INJECT)
-		target.health = 80
+		target.setBruteLoss(10)
 
 /datum/unit_test/reagent_mob_expose/Run()
 	// Life() is handled just by tests
@@ -34,8 +34,8 @@
 	TEST_ASSERT(human.fire_stacks < 0, "Human still has fire stacks after touching water")
 
 	// VAPOR
+	human.fully_heal(ALL)
 	TEST_ASSERT_NULL(human.has_status_effect(/datum/status_effect/drowsiness), "Human is drowsy at the start of testing")
-	drink.reagents.clear_reagents()
 	drink.reagents.add_reagent(/datum/reagent/nitrous_oxide, 10)
 	drink.reagents.trans_to(human, 10, methods = VAPOR)
 	TEST_ASSERT_NOTNULL(human.has_status_effect(/datum/status_effect/drowsiness), "Human is not drowsy after exposure to vapors")
@@ -46,26 +46,26 @@
 	TEST_ASSERT(human.fire_stacks < old_fire_stacks, "Human does not get wetter after being exposed to water by vapors")
 
 	// PATCH
-	human.health = 100
-	TEST_ASSERT_EQUAL(human.health, 100, "Human health did not set properly")
+	human.fully_heal(ALL)
+	TEST_ASSERT_EQUAL(human.getBruteLoss(), 0, "Human health did not set properly")
 	patch.reagents.add_reagent(/datum/reagent/method_patch_test, 1)
 	patch.self_delay = 0
 	patch.interact_with_atom(human, human)
 	patch.get_embed().process(SSdcs.wait / 10)
 	human.Life(SSMOBS_DT)
-	TEST_ASSERT_EQUAL(human.health, 90, "Human health did not update after patch was applied")
+	TEST_ASSERT_EQUAL(human.getBruteLoss(), 20, "Human health did not update after patch was applied")
 
 	// INJECT
 	syringe.reagents.add_reagent(/datum/reagent/method_patch_test, 1)
 	syringe.melee_attack_chain(human, human)
-	TEST_ASSERT_EQUAL(human.health, 80, "Human health did not update after injection from syringe")
+	TEST_ASSERT_EQUAL(human.getBruteLoss(), 10, "Human health did not update after injection from syringe")
 
 	// INHALE
-	TEST_ASSERT_NULL(human.has_status_effect(/datum/status_effect/hallucination), "Human is drowsy at the start of testing")
-	drink.reagents.clear_reagents()
+	human.fully_heal(ALL)
+	TEST_ASSERT_NULL(human.has_status_effect(/datum/status_effect/hallucination), "Human is hallucinating at the start of testing")
 	drink.reagents.add_reagent(/datum/reagent/nitrous_oxide, 10)
 	drink.reagents.trans_to(human, 10, methods = INHALE)
-	TEST_ASSERT_NOTNULL(human.has_status_effect(/datum/status_effect/hallucination), "Human is not drowsy after exposure to vapors")
+	TEST_ASSERT_NOTNULL(human.has_status_effect(/datum/status_effect/hallucination), "Human is not hallucinating after exposure to vapors")
 
 /datum/unit_test/reagent_mob_expose/Destroy()
 	SSmobs.ignite()