Did you know?

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

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The average office desk has 400 times more bacteria on it than a toilet.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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