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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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").