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Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The average adult has about 21 square feet of skin.