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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 large study from the University of Colorado found heavy cannabis use is linked to reduced brain activity. Lead researcher Joshua Gowin and neurosurgeon Paul Saphier discuss the impact on health.
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 ...
Researchers found 63% of heavy lifetime cannabis users exhibited reduced brain activity during a working memory task, while 68% of people who tested positive for recent use of cannabis also ...
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.
The brain is more vulnerable to oxidative stress than other organs, due to its low oxidative capacity. Because neurons are characterized as postmitotic cells, meaning that they live with accumulated damage over the years, accumulation of ROS is fatal. Thus, increased levels of ROS age neurons, which leads to accelerated neurodegenerative ...
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 ...
Any continued use of drugs or alcohol may increase anxiety, psychosis, and depression levels in some individuals. In almost all cases drug-induced psychiatric disorders fade away with prolonged abstinence, although permanent damage to the brain and nervous system may be caused by continued substance use. [10]