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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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There are more sensory neurons in the tongue than in any other part of the body.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.