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The average adult has about 21 square feet of skin.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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