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Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.