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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.
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 ...
In what researchers are calling the largest dataset used to study cannabis and brain function, over 1,000 former or current cannabis users underwent brain scans while completing seven different ...
Legal cannabis (marijuana) product. Overconsumption and reliance could lead to cannabis-induced amotivational syndrome. The term amotivational syndrome was first devised to understand and explain the diminished drive and desire to work or compete among the population of youth who are frequent consumers of cannabis and has since been researched through various methodological studies with this ...
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 brain regions most sensitive to harm from binge drinking are the amygdala and prefrontal cortex. [28] People in adolescence who experience repeated withdrawals from binge drinking show impairments of long-term nonverbal memory. Alcoholics who have had two or more alcohol withdrawals show more frontal lobe cognitive dysfunction than those ...
Last year, more middle-aged adults were binge drinking, using marijuana or consuming hallucinogens than ever before, according to a new report. Cannabis use surged among young adults under 30 ...