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In what the university calls the largest study of its kind, researchers used brain imaging technology to explore the effects of recent and lifetime cannabis use on brain function among more than ...
The 74 reports on how cannabis use has increased among teens and young adults with negative impact on their brains. 'Behind the 8 ball': How research is trying to catch up on cannabis and kids ...
New research shows that heavy lifetime use of cannabis — more than 1,000 times — is associated with reduced activity in areas of the brain involved in working memory. The study adds to ...
Cannabis is the most widely used illicit drug in the Western world. [3] In the United States, 10-20% of those who begin the use of cannabis daily will later become dependent. [4] [5] 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."
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.
These changes require the user to consume higher doses of the drug to achieve a common desirable effect (known as a higher tolerance), reinforcing the body's metabolic systems for eliminating the drug more efficiently and further down-regulating cannabinoid receptors in the brain. [10] Cannabis users have shown decreased reactivity to dopamine ...
Additionally, scientists discovered that participants who were heavy cannabis users also had reduced brain activity in certain areas of the brain, including the dorsolateral prefrontal cortex ...
Binge drinking regimes are associated with causing an imbalance between inhibitory and excitatory amino acids and changes in monoamine release in the central nervous system, which increases neurotoxicity; this may result in cognitive impairments, psychological problems, and may cause irreversible brain damage in both adolescent and adult long-term binge drinkers.