Dementia occurs in % of those with Parkinson's disease

Your roommate Eli just disclosed to you that he took an excessive amount of a drug

You immediately take him to the hospital. He is experiencing high blood pressure, is jittery, and a scan of his brain indicates there are problems with the blood flow to his brain. You tell him to try to get some sleep, but he says he can't. Which of the following drugs did Eli likely consume? a) a depressant b) a stimulant c) a hallucinogen d) a narcotic

Ritalin and Adderall are:

A) depressants. B) narcotics. C) stimulants. D) hallucinogens.