Answer:
Nicotine affects the pleasure centers of the brain, making it addictive.
People have to increase their nicotine use over time to receive the same effects.
Stopping use leads to a tired feeling
Explanation:
Nicotine is a brain stimulating alkaloid found in tobacco and other plant products. It is the primary component that acts on the brain. It is the heavily addictive drug. It stimulates the brain centers and reduces sleep. But when the intake is cut it shows opposite withdrawal symptoms like tired feeling. It develops the tolerance that is people increase their dose over time to receive the desire effect. It can be chewed orally or can be smoked.
