Alcohol
Duration: ~2–6 hours (effects may persist longer depending on dose).
Onset: ~5–15 minutes after consumption.
Drug Class: Depressant.
Mechanism: Primarily enhances GABA activity and suppresses glutamate signaling, resulting in reduced central nervous system activity.
Common Effects: Relaxation, reduced social anxiety, lowered inhibitions, mood elevation, impaired judgment, and slowed reaction time.
Physical Effects: Impaired coordination, slurred speech, reduced balance, nausea, dehydration, flushing, and drowsiness.
Psychological Effects: Increased sociability, emotional amplification, impaired decision-making, and memory disruption.
Risks: Accidents, alcohol poisoning, blackouts, aggressive behavior, respiratory depression at high doses, and dangerous interactions with other depressants.
Dependence Potential: High with frequent use. Physical dependence and withdrawal can develop.
Withdrawal: Anxiety, tremors, insomnia, sweating, elevated heart rate, seizures, and delirium tremens in severe cases.
Overdose Risk: High. Severe alcohol poisoning can result in coma, respiratory failure, or death.