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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.