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Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.