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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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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.