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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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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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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.