Which of the following drugs is most likely to cause psychosis, where a person starts becoming delusional (i. e., having false beliefs), and becomes paranoid? 1. amphetamines 2. nicotine3. barbiturates4. alcohol5. caffeine

Amphetamines

Explanation:

Addiction of this drug results in serious types of risks with heavy recreational amphetamine use but it is unlikely to be used for a longer period of time.

Very high dose of this drug can result in the psychosis which rarely occurs in the paranoia and delusions.

Recreational doses can have more side effects on the body of individual and have greater risk on life.