The use of drugs to enhance communication

Recreational drugs are often used in social settings in the belief that they enhance interpersonal communication. The world's most popular recreational drugs are alcohol, cannabis, caffeine and nicotine.

Alcohol is sometimes called a "social lubricant" because it reduces inhibitions, including those caused by the fear of rejection. At the same time, though, alcohol impairs judgment, making a person less receptive to subtle signals, which can result in less effective communication. More importantly, this judgement impairment can lead to foolish decision-making regarding sex, such as engaging in sex without testing or protection.
Cannabis can induce increased appreciation for humor and art, which might improve communication. But at the same time, it can cause one to become introspective, and thus less inclined to communicate.
Caffeine and nicotine are stimulants. Others include amphetamines and cocaine. Stimulants can increase alertness and improve attention, both of which can improve one's ability to communicate effectively. However, stimulants also have adverse health effects when used in large amounts.

Human sexual behavior
Desire and fantasy
The use of drugs to enhance communication
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