AP PSYCHOLOGY

Detailed explanation-1: -Caffeine is the most widely used psychoactive substance in the world. In North America, more than 80 per cent of adults regularly consume caffeine. The average amount of caffeine consumed per person in Canada (from all sources) is estimated to be 210 to 238 mg per day.

Detailed explanation-2: -Examples of psychoactive substances include alcohol, caffeine, nicotine, marijuana, and certain pain medicines. Many illegal drugs, such as heroin, LSD, cocaine, and amphetamines are also psychoactive substances. Also called psychotropic substance.

Detailed explanation-3: -Caffeine is a naturally occurring central nervous system (CNS) stimulant of the methylxanthine class and is the most widely taken psychoactive stimulant globally.

Detailed explanation-4: -Caffeine is a psychoactive (mind-altering) drug that affects how we think and feel. It is a stimulant that speeds up our breathing, heart rate, thoughts and actions.

Detailed explanation-5: -Abstract. Caffeine is the most widely used psychoactive substance in the world. In Western society, at least 80 per cent of the adult population consumes caffeine in amounts large enough to have an effect on the brain.