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Did you know?
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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The average adult has about 21 square feet of skin.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.