diff --git a/disease/diarrhea.arc b/disease/diarrhea.arc
index b0ffc99dc..90b2f37b5 100644
--- a/disease/diarrhea.arc
+++ b/disease/diarrhea.arc
@@ -8,8 +8,7 @@ wc 0
 magic 0
 maxhp 1
 dam 0
-maxgrace -1
-food -1
+maxgrace 50
 speed 0.001
 last_sp 0
 maxsp 0
diff --git a/disease/flaming_fart.arc b/disease/flaming_fart.arc
index 4b1a13bcd..2a09a3fb4 100644
--- a/disease/flaming_fart.arc
+++ b/disease/flaming_fart.arc
@@ -8,8 +8,7 @@ wc 0
 magic 0
 maxhp 1
 dam 0
-maxgrace -1
-food -1
+maxgrace 25
 speed 0.001
 last_sp 0
 maxsp 0
diff --git a/disease/scurvy.arc b/disease/scurvy.arc
index b998a433f..5be41ac85 100644
--- a/disease/scurvy.arc
+++ b/disease/scurvy.arc
@@ -9,8 +9,7 @@ Con -1
 magic 0
 maxhp 1
 dam 0
-maxgrace -1
-food -1
+maxgrace 24
 speed 0.001
 last_sp 0
 maxsp 0
diff --git a/disease/tooth_decay.arc b/disease/tooth_decay.arc
index 73b4aa7f9..052c31da3 100644
--- a/disease/tooth_decay.arc
+++ b/disease/tooth_decay.arc
@@ -8,8 +8,7 @@ wc 1
 magic 1
 Cha -1
 maxhp 1
-maxgrace -1
-food -1
+maxgrace 24
 speed 0.005
 last_sp 0
 maxsp 0
diff --git a/disease/warts.arc b/disease/warts.arc
index 88185db59..79a2aa95b 100644
--- a/disease/warts.arc
+++ b/disease/warts.arc
@@ -7,8 +7,7 @@ wc 1
 magic 1
 Cha -1
 maxhp 1
-maxgrace -1
-food -1
+maxgrace 50
 speed 0.001
 last_sp 0
 maxsp 0