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Author Question: The ________ cells are crude weapons that release chemicals to destroy infected cells that they encounter. (Read 66 times) |
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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People about to have surgery must tell their health care providers about all supplements they take.