![Long-Term Regular Cannabis Users Showed Cognitive Deficits at Midlife in 45-Year Study Long-Term Regular Cannabis Users Showed Cognitive Deficits at Midlife in 45-Year Study](/sites/default/files/styles/large/public/field/image/cannabisleafmarijuanawoodplank-1440.jpg?itok=TOK59es4)
The question of whether cannabis use causes cognitive deficits or structural changes in the brain is still an open one, and has mostly been tested in adolescents and young adults. There is good…
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![Largest Genome Study to Date of Cannabis Use Disorder Reveals New Genetic Underpinnings Largest Genome Study to Date of Cannabis Use Disorder Reveals New Genetic Underpinnings](/sites/default/files/styles/large/public/field/image/cannabisleafmarijuanawoodplank-1440_1.jpg?itok=eLRg2SaV)
A large international study designed to discover associations between genetic variations and risk for cannabis use disorder has generated evidence, in the words of the scientists who led the study, “…
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![Brain-Wave Patterns Shed Light on Pathologies and New Treatments in Substance-Use Disorders Brain-Wave Patterns Shed Light on Pathologies and New Treatments in Substance-Use Disorders](/sites/default/files/styles/large/public/field/image/science-abstract-string-1440.jpg?itok=f9ikmcDG)
The biological impact of mind-altering substances on brain activity may provide clues about how to more effectively treat people who have substance-use disorders (SUDs). Researchers led by Mera S.…
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![Study Gauges Impact of Heavy, Chronic Cannabis Use on Cognition and Psychosis-Related Phenomena Study Gauges Impact of Heavy, Chronic Cannabis Use on Cognition and Psychosis-Related Phenomena](/sites/default/files/styles/large/public/field/image/cannabisleafmarijuanawoodplank-1440_0.jpg?itok=lFAakeO_)
Over recent years, legal restrictions on cannabis use have been lifted in many U.S. states. In 11 states and the District of Columbia the drug has not only been decriminalized but is currently…
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![Low Levels of Cannabinoid Receptor in New Psychosis Patients Suggest a Possible Drug Target Low Levels of Cannabinoid Receptor in New Psychosis Patients Suggest a Possible Drug Target](/sites/default/files/styles/large/public/field/image/neuronsinthebrainonlightbackground-1440_4.jpg?itok=t-nBJcXz)
Since the 1980s scientists have known that the body contains numerous cellular receptors that interact with naturally generated molecules that are chemically related to THC, the substance which gives…
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