I always wondered why it hurts when you eat foil. Actually, it hurts just thinking about it. Does it have something to do with fillings or cavities?
Sure does. You are making an Al/Ag or Al/Hg battery and the result, even though it is probably only about a volt, is enough to send a jolt through your dental nerves. Ouch!
more importantly, why were you eating foil?
>more importantly, why were you eating foil?
I had to cut back on the paint chips…
Seriously, sometimes foil gets into your food.
Cecil Adams on chewing aluminum foil .