diff --git a/code/modules/mob/living/brain/brain_item.dm b/code/modules/mob/living/brain/brain_item.dm
index c4c9193d7de..ff2550026d1 100644
--- a/code/modules/mob/living/brain/brain_item.dm
+++ b/code/modules/mob/living/brain/brain_item.dm
@@ -356,8 +356,8 @@
 	var/delta_dam = . //for the sake of clarity
 	if(isnull(bodypart_owner)) // no need to color it if it's in someone's noggin
 		update_brain_color()
-	if(delta_dam > 0 && damage > BRAIN_DAMAGE_MILD)
-		roll_for_brain_trauma(delta_dam)
+	if(delta_dam < 0 && damage > BRAIN_DAMAGE_MILD)
+		roll_for_brain_trauma(-delta_dam) // parent call returns negative numbers if take damage and positive if we heal
 
 /// Rolls a random chance to gain a brain trauma based on damage taken and current damage level
 /obj/item/organ/brain/proc/roll_for_brain_trauma(delta_dam)
diff --git a/code/modules/surgery/organs/internal/stomach/_stomach.dm b/code/modules/surgery/organs/internal/stomach/_stomach.dm
index 1f23b5b16c3..f8cb50193d5 100644
--- a/code/modules/surgery/organs/internal/stomach/_stomach.dm
+++ b/code/modules/surgery/organs/internal/stomach/_stomach.dm
@@ -467,8 +467,8 @@
 /obj/item/organ/stomach/apply_organ_damage(damage_amount, maximum, required_organ_flag)
 	. = ..()
 	// So after a while, or a bunch of stomach meds, even a cut stomach can recover
-	if (. < 0)
-		cut_open_damage = max(0, cut_open_damage + .)
+	if (. > 0)
+		cut_open_damage = max(0, cut_open_damage - .)
 
 /obj/item/organ/stomach/examine(mob/user)
 	. = ..()