Heat and steam from your shower or shave can rob medicine of its potency long before the drug's expiration date. Angela Cappetta/Getty Images hide caption

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Angela Cappetta/Getty Images

When Old Medicine Goes Bad

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Ready-to-eat meals found in the prepared food aisle are a growing source of waste, as it is difficult to reuse meals that aren't sold but are fully cooked. Kristofor Husted/Harvest Public Media hide caption

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Kristofor Husted/Harvest Public Media

The expiration date on foods like orange juice and even milk aren't indicators of when those products will go bad. iStockphoto.com hide caption

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iStockphoto.com

Don't Fear That Expired Food

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