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Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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