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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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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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The longest a person has survived after a heart transplant is 24 years.