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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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
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There are 20 feet of blood vessels in each square inch of human skin.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
A simulated-color map of the surface of Venus as measured by synthetic aperture radar on the Magella
true story
Light rays coming from an object to the retina.
Which is TRUE about the alternation of generations cycle that is diagramed above?