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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
There are more nerve cells in one human brain than there are stars in the Milky Way.