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Cannabis use can lead to addiction, which is defined as "when the person cannot stop using the drug even though it interferes with many aspects of his or her life." [5] [7] [8] [9] Cannabis use disorder is defined in the fifth revision of the Diagnostic and Statistical Manual of Mental Disorders as a condition requiring treatment. [3]
The research team, headed by Igor Grant, found that cannabis use affects perception but does not cause permanent brain damage. Researchers looked at data from 15 previously published controlled studies involving 704 long-term cannabis users and 484 nonusers. The results showed long-term cannabis use was only marginally harmful on memory and ...
A study of more than 6 million Danes published in JAMA Psychiatry in May found that people who have cannabis use disorder (meaning, they’re unable to stop using marijuana) had a higher risk of ...
Marijuana consumed decades ago had concentrations of THC, the main psychoactive ingredient, of 2 to 3%, but cannabis products today can have THC levels as high as 90%.
Researchers said their positive findings are important since weed has generally been associated with negative mental health impacts. Marijuana use could make you a nicer person, research finds ...
In addition to cannabis use, it has been shown that co-use of cannabis and tobacco can result in an elevated risk of cannabis use disorder. [22] Susceptibility to cannabis addiction can also stem from genetic predispositions or environmental influences that make certain individuals inherently more vulnerable to substance dependence.
Causes of head and neck cancers. In the United States, head and neck cancers make up 4% of all cancers, with more than 71,000 new cases and more than 16,000 deaths expected in 2024, according to ...
Cannabis material can be leached in high-proof spirits (often grain alcohol) to create a "Green Dragon". Cannabis can also be consumed as a cannabis tea and many other beverages. Although THC is lipophilic and only slightly water soluble (with a solubility of 2.8 mg per liter), [13] enough THC can be dissolved to make a mildly psychoactive tea ...