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A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Acute negative effects may include anxiety and panic, impaired attention and memory, an increased risk of psychotic symptoms, [b] the inability to think clearly, and an increased risk of accidents. [ 51 ] [ 52 ] [ 53 ] Cannabis impairs a person's driving ability, and THC was the illicit drug most frequently found in the blood of drivers who ...
Drugs in the class of amphetamines, or substituted amphetamines, are known to induce "amphetamine psychosis" typically when chronically abused or used in high doses. [8] In an Australian study of 309 active methamphetamine users, 18% had experienced a clinical level psychosis in the past year. [9]
Amphetamine type stimulants can be used in the treatment of narcolepsy, a rare neurological disorder where the brain is unable to regulate the sleep-wake mechanism. [17] Amphetamines causes an increase in dopamine release, which is the proposed mechanism for its wake-promoting effect. [18]
Treatment for amphetamines is growing at extremely high rates around the world. [15] Psychostimulants that increase dopamine and mimic the effects of substituted amphetamines, but with lower abuse liability, could theoretically be used as replacement therapy in amphetamine dependence. [8]
Dr. Phil also expressed his belief that smoking marijuana can cause a "multi-point drop" in a person's IQ, in addition to implying that the drug's use can be associated with violent behavior ...
F13.5 sedatives/hypnotics (barbiturates; [17] [18] benzodiazepines): [19] [20] [21] It is also important to this topic to understand the paradoxical effects of some sedative drugs. [22] Serious complications can occur in conjunction with the use of sedatives creating the opposite effect as to that intended.
Salvia divinorum, a dissociative hallucinogenic sage. This is a list of plant species that, when consumed by humans, are known or suspected to produce psychoactive effects: changes in nervous system function that alter perception, mood, consciousness, cognition or behavior.