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Did you know?
Everyone has one nostril that is larger than the other.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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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.