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Author Question: Hadean is an informal term used by many geologists to refer to the earliest interval of Earth's ... (Read 30 times) |
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The longest a person has survived after a heart transplant is 24 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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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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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.