Answer:
The answer is: Stimulating.
Explanation:
Classification of drugs according to their effects on the nervous system:
DEPRESSORS. Alcohol. Opioids: heroin, morphine, methadone. ...
STIMULANTS. Major stimulants: amphetamines and cocaine. Minor stimulants: nicotine, caffeine.
DISTURBING. Hallucinogens: LSD, mescalina, peyote. Cannabis derivatives: hashish, marijuana.
The answer is: Stimulating.