Respuesta :

They are called stimulants. Examples include nicotine and caffeine.

Answer:

Stimulants are the correct answer.

Explanation:

Stimulants or the psychostimulants are the substance or chemical that raise the activity of the nervous system especially CNS and the body.

These stimulants are the drugs that have a pleasurable and sympathetic effect such as tonics or energizer. These stimulants help in ADHD. Cocaine, meth, and others also use as stimulants for several cases.

Thus, the correct answer is - stimulants.