Practical Reviews

Nicotine Moves Fast, Quickly Changing Brain Chemistry

The addictive properties of nicotine are due, in part, to its rapid uptake by the brain following inhalation. When smoking, high levels of nicotine enter the lungs and are quickly absorbed into the bloodstream. The heart immediately pumps nicotine to the brain and other body organs. Nicotine reaches the brain in about 10 seconds and produces both pleasurable sensations and the craving for more tobacco. The high concentrations of nicotine delivered so rapidly make it very addictive. more...
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