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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.