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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.