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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.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.