Depressants
A drug that lowers the level of activity of the central nervous system.
Depressant.
This widely used stimulant found in coffee, tea, and energy drinks increases alertness by blocking adenosine receptors.
Caffeine
A hallucinogenic drug derived from the leaves and stems of the plant Cannabis sativa.
Marijuana.
A standard measure that takes both body weight and height into account.
Body mass index (BMI).
Difficulties falling asleep, remaining asleep,or achieving restorative sleep
Insomnia.
This legal depressant is the most widely used psychoactive substance in the world.
Alcohol
A stimulant derived from the leaves of the coca plant.
Cocaine
This classic hallucinogen, first synthesized by Albert Hofmann, is known for producing vivid visual distortions and altered perception of reality.
LSD.
An eating disorder characterized by maintenance of an abnormally low body weight, a distorted body image, and intense fears of gaining weight.
Anorexia nervosa.
A sleep disorder characterized by sudden, irresistible episodes of sleep.
Narcolepsy.
A strongly addictive narcotic derived from the opium poppy that relieves pain and induces feelings of well-being.
Morphine.
This neurotransmitter is most strongly associated with the reinforcing and rewarding effects of stimulant drugs.
Dopamine
This naturally occurring hallucinogen is found in certain mushrooms and is sometimes called “magic mushrooms.”
psilocybin
An eating disorder characterized by recurrent binge eating followed by self-induced purging, accompanied by overconcern with body weight and shape.
Bulimia nervosa.
This disorder is characterized by an excessive sleepiness during the day
Hypersomnolence disorder.
A narcotic derived from morphine that has strong addictive properties.
Heroin.
A class of synthetic stimulants (e.g., meth)
Amphetamines
This neurotransmitter system is primarily affected by mescaline, contributing to altered perception and mood.
Serotonin
An eating disorder characterized by recurrent eating binges without subsequent purging.
Binge-eating disorder (BED).
A sleep–wake condition characterized by recurrent episodes of fear-induced arousals during sleep.
Sleep terrors.
Sedative drugs that are depressants with high addictive potential (e.g., tranquillizers).
Barbiturates.
This synthetic stimulant is structurally similar to amphetamines and is the primary psychoactive ingredient in drugs like Ecstasy.
MDMA
This small cactus is the natural source of the hallucinogen mescaline.
Peyote
This subtype of anorexia nervosa is characterized by rigid, obsessive control over diet and appearance
Restrictive Type
A physical condition triggered by a strong emotional reaction that involves loss of muscle tone and voluntary muscle control, which may result in a person slumping or collapsing to the floor.
Cataplexy.