diff --git a/code/datums/disease.dm b/code/datums/disease.dm
index a05b945f6b..f44293a8d0 100644
--- a/code/datums/disease.dm
+++ b/code/datums/disease.dm
@@ -64,15 +64,13 @@ var/list/diseases = typesof(/datum/disease) - /datum/disease
 	if(stage > max_stages)
 		stage = max_stages
 
-	if(stage < max_stages && prob(stage_prob) && !cure_present) //now the disease shouldn't get back up to stage 4 in no time
-		stage++
-		//world << "up"
-	if(stage > 0 && (cure_present && prob(cure_chance)))
-		stage--
-		//world << "down"
+	if(!cure_present && prob(stage_prob)) //now the disease shouldn't get back up to stage 4 in no time
+		stage = min(stage + 1, max_stages)
+
+	else if(cure_present && prob(cure_chance))
+		stage = max(stage - 1, 1)
 
 	if(stage <= 1 && ((prob(1) && curable) || (cure_present && prob(cure_chance))))
-//		world << "Cured as stage act"
 		cure()
 		return
 	return
diff --git a/code/modules/clothing/head/misc_special.dm b/code/modules/clothing/head/misc_special.dm
index 96d6ad8705..b3c1eb5b9b 100644
--- a/code/modules/clothing/head/misc_special.dm
+++ b/code/modules/clothing/head/misc_special.dm
@@ -15,13 +15,13 @@
 	name = "welding helmet"
 	desc = "A head-mounted face cover designed to protect the wearer completely from space-arc eye."
 	icon_state = "welding"
-	flags = FPRINT | TABLEPASS | HEADCOVERSEYES | HEADCOVERSMOUTH
+	flags = (FPRINT | TABLEPASS | HEADCOVERSEYES | HEADCOVERSMOUTH)
 	item_state = "welding"
 	m_amt = 3000
 	g_amt = 1000
 	var/up = 0
 	armor = list(melee = 10, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 0, rad = 0)
-	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE
+	flags_inv = (HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE)
 	icon_action_button = "action_welding"
 
 /obj/item/clothing/head/welding/attack_self()
@@ -36,13 +36,13 @@
 	if(usr.canmove && !usr.stat && !usr.restrained())
 		if(src.up)
 			src.up = !src.up
-			src.flags |= HEADCOVERSEYES | HEADCOVERSMOUTH
-			flags_inv |= HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE
+			src.flags |= (HEADCOVERSEYES | HEADCOVERSMOUTH)
+			flags_inv |= (HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE)
 			icon_state = initial(icon_state)
 			usr << "You flip the [src] down to protect your eyes."
 		else
 			src.up = !src.up
-			src.flags &= ~HEADCOVERSEYES | HEADCOVERSMOUTH
+			src.flags &= ~(HEADCOVERSEYES | HEADCOVERSMOUTH)
 			flags_inv &= ~(HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE)
 			icon_state = "[initial(icon_state)]up"
 			usr << "You push the [src] up out of your face."