Please tell me I'm not the only one with a pet that wants to eat everything including the kitchen sink?! While I'm careful to keep my purse out of his reach ('cause of gum), what if he sniffs his nosy nose into my wallet and comes up with a penny?

If you think this poses no extra risk than other inedible objects, you'd be wrong! Although the coins originally contained 95 percent copper and 5 percent zinc until 1982, after that the proportion changed.

Find out what pennies are now made of — and the danger it causes — when you read more