Game stops responding when food and water runs out?

So I got the main part of the script from the usual ROBLOX Health script and added to make sure the stats for water and food is greater than 0.

if Food.Value > 0 and Water.Value > 0 then
		while Humanoid.Health < Humanoid.MaxHealth do
			if Food.Value > 0 and Water.Value > 0 then
				local E = wait(1)
				local Health = Humanoid.Health
				local MaxHealth = Humanoid.MaxHealth
				if Health > 0 and Health < MaxHealth then
					local AddedHealth = 0.01 * E * MaxHealth
					Health = Health + AddedHealth
					Humanoid.Health = math.min(Health, Humanoid.MaxHealth)
				end
			end
		end
		if Humanoid.Health > Humanoid.MaxHealth then
			Humanoid.Health = Humanoid.MaxHealth
		end
		Regening = false
	end

When I test it and the food and water runs out, the game stops responding. Any ideas?

The wait() function is very important when using a loop, This prevents game crashes. You can place you wait() function in your loop or next to the condition, example. while condition and wait() do return true end or while true do; wait(); end