9781422273913

a stimulant , meaning that it temporarily speeds up bodily processes. Like other stimulants, nicotine triggers the brain to release a substance called epinephrine, also known as adrenaline, which causes a short-term burst of energy. That’s why, for example, many people like a cup of coffee first thing in the morning (coffee contains caffeine, another stimulant). This also stimulates what is often called the “reward center” of the brain, which is why humans find stimulants to be pleasurable.

Many people drink coffee because of the stimulant caffeine.

Teen Guides to Health & Wellness: Smoking and Vaping

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