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There are approximately 3 million unintended pregnancies in the United States each year.
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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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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Your heart beats over 36 million times a year.
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In 1864, the first barbiturate (barbituric acid) was synthesized.