For decades, scientists thought drug addiction was the result of two separate systems in the brain—the reward system, which was activated when a person used a drug, and the stress system, which kicked in ...
Nov 17, 2014
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Menthol acts in combination with nicotine to desensitize receptors in lungs' airways that are responsible for nicotine's irritation, say neuroscientists at Georgetown University Medical Center (GUMC).
Nov 16, 2014
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