Diet & Lifestyle

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Do Brain-Training Games Make You Smarter?
The pitch is appealing: sharpen your mind with a few minutes of brain games each day. Unfortunately, science suggests this promise is probably too good to be true.
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Your selections: Diet and Lifestyle
Nicotine
Despite definitive proof that smoking can be fatal, nicotine still is one of the most widely abused substances. In fact, tobacco kills more than 440,000 U.S. citizens each year — more than alcohol, cocaine, heroin, homicide, suicide, car accidents, and HIV combined.
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Club Drugs
Ecstasy, herbal ecstasy, rohypnol ("roofies"), GHB (gamma hydroxy-butyrate), and ketamine are among the drugs used by some teens and young adults as part of raves and trances. Recent research, however, is uncovering the serious damage that can occur in several parts of the brain from use of some of these drugs.
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Marijuana
Marijuana distorts perception and alters the sense of time, space, and self. Researchers have made some progress in uncovering the reasons for these responses.
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Teen Brain Vulnerability Exposed
The changes taking place in the adolescent brain lead to increased vulnerability to drug abuse and may also contribute to the emergence of psychiatric disorders.
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Does drug use make holes in your brain?
Only physical trauma can create a hole in your brain.
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Does drinking alcoholic drinks always kill brain cells?
Moderate amounts of alcohol do not kill brain cells.
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Does playing games keep your brain young?
Crossword puzzles and similar games can help you learn words and improve specific skills, but they won't enhance overall brain function.
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Vision and Gene Therapy
An unexpected finding decades ago has helped create one of the first success stories for gene therapy and hope for vision restoration in people.
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