Fruits, vegetables and cereals are potent sources of? a. antioxidants b. unsaturated fat c. saturated fat d. free radicals

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

Which of the following identifies the main culprit for america’s increasing weight gain?

In which way does nicotine cause addiction? by stimulating the brain’s pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety