Which of the following drugs would be classified as a stimulant?

A) Heroin.
B) Cocaine.
C) Morphine.
D) Marijuana.

Stimulant

A substance that increases activity in the body or brain, often leading to enhanced alertness, energy, or physical performance.

Heroin

An opioid drug derived from morphine, highly addictive, and used illicitly for its euphoric effects.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, often used recreationally and known for its potent addictive properties.