Stimulants are drugs that speed up the nervous system. One of the immediate effects of stimulants can be the feeling of being more alert or awake. Drinks that cause people to feel more awake are coffee and tea. Soft drinks that contain caffeine, like colas, are also stimulants. They overcome sleepiness and tiredness. Stimulants increase the activity of the brain. This is what stimulants are.

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By: Kimberly, Heather, Kyle, Namrah, and Ray