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In 1864, the first barbiturate (barbituric acid) was synthesized.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
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