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Slide46 - Why Do People Smoke 3 Nicotine takes away...

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Unformatted text preview: Why Do People Smoke? 3. Nicotine takes away unpleasant cravings (negative reinforcement) by triggering epinephrine, norepinephrine, dopamine, and endorphins. 4. Nicotine itself is rewarding (positive reintercement). 1. Arouses the brain to a 3.Atihish levels. relaxes state of increased muscles and triggers the alertness release of endorphins. natural opiates that may reduce stress a. Increases heart rate and blood pressure a. Reduces circulation to utrernities 5. Suppresses appetite for carbohydrates 46 ...
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