The horizontal fraction bar was introduced by the Arabs.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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Illicit drug use costs the United States approximately $181 billion every year.
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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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Green tea is able to stop the scent of garlic or onion from causing bad breath.