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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.