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Author Question: Marijuana, hashish, and THC are all derived from A) opium. B) cannabis. C) the peyote cactus. ... (Read 30 times) |
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Excessive alcohol use costs the country approximately $235 billion every year.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.