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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.