Story on Heroin Addiction Missed the Mark on Neuroscience
Story on heroin addiction missed the mark on neuroscience
June 30). However, the graphics and descriptions accompanying the article told a story about neurotransmission, pleasure and drug addiction that is naively simplistic and also contained fundamental errors. The latter include the emphasis on endorphins …
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Spilling the beans on caffeine | Wally's World
In fact, it's more than just a “feeling” – emotions can be deceiving – because there's considerable research to indicate that the drug actually does improve vigilance and reaction time. Large doses of caffeine also seem to improve the endurance of …
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STONE: Why tobacco is so hard to quit
Like cocaine, marijuana, and heroin … when nicotine enters the blood stream, it triggers a response for the body to produce more of the powerful neurotransmitter dopamine, flooding the brain with a sense of delight and satisfaction. Repetitive use …
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