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Illicit drug use costs the United States approximately $181 billion every year.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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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.