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Drugs can either enhance a particular neurotransmitter’s effect (an agonist drug) or inhibit it (an antagonist drug). Psychoactive drugs are those that work on the brain to alter mood, behavior, thinking, and perception. People alter their state of consciousness most commonly by using these drugs.
Depressants slow down the activity of the central nervous system, mental and physical activity. Because of this action depressants can make the user feel calm and relieve tension. The most widely used depressants are alcohol, tranquillizers and barbiturates. On the down side, they can also impair your judgment, coordination; reduce inhibitions causing you to act in a ways not typical for you. Large doses can cause convulsions, blackouts, irregular heartbeats or death.
Stimulants speed up the activity in the central nervous system, mental and physical activity. Cocaine, methamphetamine, amphetamines, and caffeine are stimulants. They create feelings of excitement, high energy, and confidence. Large doses can cause anxiety, hallucinations, convulsions and death.
Hallucinogens interfere with your thought process, alter your perceptions and affect your senses. The results can vary from person to person and differ from each use. A few popular hallucinogens are LSD, mushrooms found growing on cow manure, and peyote. A person on these drugs can experience either pleasant trips or nightmarish trips (a trip is the period of time a person is on the drug). These drugs can cause sensory or visual hallucinations.
There are quite a few ways that you can determine if someone you know is on any of these drugs. They most likely exhibit physical, emotional, and behavioral problems. Their personal hygiene or appearance may be lacking, they may also have bloodshot eyes, dilated pupils. weight loss, financial issues, poor work attendance, be accident prone or erratic movements. The best way to tell for sure is to have them take a drug test.
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The unconsciousness mind...