By Daniel Stoller
From extreme stimulation to coma-like effects, narcotics affect the brain and body in different ways. Although many should not be consumed, others, like caffeine, can be beneficial when used in moderation, said Norman Boisse, a Northeastern associate pharmacology professor, which is good since many students consume it.
Caffeine, a natural stimulant, is found in many foods and beverages, and provides the user with effects ranging from increased alertness to agitation and feeling jittery, Boisse said.
“It increases the level of arousal in the consumer,” Boisse said. “It is the most widely-consumed psychoactive substance in the world
