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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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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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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.