Diet & Lifestyle

Related Topics Sleep Movement Body Systems
Cartoon illustration of a person figuring out a rubix cube
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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Just like other cells in the body, brain cells use a form of sugar called glucose to fuel their activities. This energy comes from the foods we consume daily, and is regularly delivered to brain cells through the blood.
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Why and how we overeat
Although legal, alcohol is addictive. Together, alcohol abuse and alcohol addiction — sometimes referred to as alcoholism or alcohol dependence — are among the nation's major health problems.
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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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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 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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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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Only physical trauma can create a hole in your brain.
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Moderate amounts of alcohol do not kill brain cells.
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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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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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3D Brain

An interactive brain map that you can rotate in a three-dimensional space.