More than half of people using cannabis for pain experience multiple withdrawal symptoms

More than half of people who use medical marijuana products to ease pain also experience clusters of multiple withdrawal symptoms when they’re between uses, a new study finds.

And about 10% of the patients taking part in the study experienced worsening changes to their sleep, mood, mental state, energy and appetite over the next two years as they continued to use cannabis.

Many of them may not recognize that these symptoms come not from their underlying condition, but from their brain and body’s reaction to the absence of substances in the cannabis products they’re smoking, vaping, eating or applying to their skin, says the University of Michigan Addiction Center psychologist who led the study.

When someone experiences more than a few such symptoms, it’s called cannabis withdrawal syndrome – and it can mean a higher risk of developing even more serious issues such as a cannabis use disorder.

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Neural signature for fibromyalgia may aid diagnosis, treatment

An MRI image showing the multivariate brain pattern that predicts fibromyalgia status on the basis of brain activation during multisensory stimulation.

Press Release:

University of Colorado Boulder researchers have discovered a brain signature that identifies fibromyalgia sufferers with 93 percent accuracy, a potential breakthrough for future clinical diagnosis and treatment of the highly prevalent condition.

Fibromyalgia is commonly defined as chronic widespread musculoskeletal pain accompanied by symptoms such as fatigue, anxiety and mood disorders. The Centers for Disease Control and Prevention (CDC) estimates that fibromyalgia affects more than five million adults annually in the U.S., with significantly higher occurrence rates in women than in men.

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