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The authors cautioned that "evidence is needed, and further research should be considered, to prove causal associations of cannabis with many physical health conditions". [ 107 ] Cannabis use disorder is defined in the fifth revision of the Diagnostic and Statistical Manual of Mental Disorders ( DSM-5 ) as a condition requiring treatment. [ 107 ]
Contact high is a phenomenon that occurs in otherwise sober people who experience a drug-like effect just by coming into contact with someone who is under the influence of a psychoactive drug. In a similar way to the placebo effect, a contact high may be caused by classical conditioning as well as by the physical and social setting. [8] [9]
The effects last for two to six hours, depending on the amount used. At high doses, mental effects can include anxiety, delusions (including ideas of reference), hallucinations, panic, paranoia, and psychosis. There is a strong relation between cannabis use and the risk of psychosis, though the direction of causality is debated.
The rising numbers of adverse effects occurring in the wake of legislative reform of marijuana are disturbing. ... cannabis is considered to have “no accepted medical use” and a high potential ...
Regarding marijuana specifically, The Universal House of Justice directs the reader to consider the above passage penned by ‘Abdu’l-Bahá and enjoins the following: Although we have found no direct reference to marijuana in the Bahá’í writings, since this substance is derived from what is considered to be a milder form of cannabis, the ...
Marijuana use is at an all-time high in the United States. In the past decade alone, Americans' reported marijuana smoking has more than doubled, increasing from 7% to 13% from 2013 to 2023 ...
Researchers said their positive findings are important since weed has generally been associated with negative mental health impacts.
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.