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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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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.