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Many pet parents enjoy the clean, sharp scent of eucalyptus in oils, candles, and fresh arrangements. But is eucalyptus safe for cats?

Should you use brown sugar or white sugar? Find out if brown sugar is healthier than white sugar at HowStuffWorks.

I read labels on food packages and always see the number of calories listed. What are calories? How are they measured in food?

Our ancestors survived long winters because of fermented foods, but what health benefits do they have for modern humans?

Whey protein possesses many health benefits. Learn more about whey protein at HowStuffWorks.

It's hard to imagine Nemo catching some z's in the Great Barrier Reef. But fish do need rest. Do they sleep like we do?

Is there a body odor disease? Visit Discovery Health to learn if there is a body odor disease.

Does negative calorie foods exist? If so, what are they? Learn about negative calorie foods at HowStuffWorks.

Does beer really make you fat? Not according to the beer commercials! Get the truth from HowStuffWorks.

As we get older, it may become tougher to lose weight and easier to gain because we burn fewer calories. Find out how to lose weight as a senior.

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