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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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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.