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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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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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There are approximately 3 million unintended pregnancies in the United States each year.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.