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You see it every time smoke billows from your car's exhaust pipe. There's no denying that vehicles are major contributors to air pollution.

Underarm whitening creams are regulated and approved in the U.S. to inhibit melanin production. Learn how underarm whitening creams work.

If a plane landed in an earthquake an number of things could happen. Find out what would happen if a plane landed in an earthquake in San Francisco.

Is there a link between lactose and body odor? Visit Discovery Health to learn if there is a link between lactose and body odor.

Does folic acid help with body odor? Visit Discovery Health to find out if folic acid helps with body odor.

Makeup may make you look better, but is it bad for your skin? Learn how to use cosmetics without hurting your complexion.

HowStuffWorks looks at the big diseases that may occur if you have rotting teeth.

Are antibiotics bad for your eyes? Find out if antibiotics damage your vision.

A vaccine is, essentially, a cure for an illness or disease. Who came up with the idea for vaccines and do we give too many shots now?

Do you know how to get rid of gas? Find out how to get rid of gas in this article from HowStuffWorks.

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