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Acute effects while under the influence can sometimes include euphoria or anxiety. [ 4 ] [ 5 ] Although some assert that cannabidiol (CBD), another cannabinoid found in cannabis in varying amounts, may alleviate the adverse effects of THC that some users experience, [ 6 ] little is known about CBD's effects on humans.
A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...
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 ...
Psychedelic effects can be long lasting. What many people don’t understand about psychedelics, Woolley said, is the impact can last for days, weeks or longer after the substance is no longer ...
Psilocybin, a psychedelic component of magic mushrooms, is being studied for its potential use to treat depression at Ohio State University. Patients in clinical trials at Ohio State are given ...
“The effects were small but reliable, so it won’t turn Einstein into Fred Flintstone, but it could add a few clouds into an otherwise clear sky,” said Gowin. Heavy cannabis use may also ...
Cannabis users have shown decreased reactivity to dopamine, suggesting a possible link to a dampening of the reward system of the brain and an increase in negative emotion and addiction severity. [11] Cannabis users can develop tolerance to the effects of THC. Tolerance to the behavioral and psychological effects of THC has been demonstrated in ...
There’s more: Weed users are nearly 25% more likely to need emergency care and hospitalization, according to a 2022 study, and overuse of marijuana can lead to complications when in surgery ...