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ADHD & medical cannabis

Over the past three years, we have come to understand so much about the effect medical cannabis has on individuals living with epilepsy and chronic pain. Now, in a recent study, we have come to further understand the impact medical cannabis had on individuals living with ADHD.

More commonly known as Attention Deficit Hyperactivity Disorder, an increasing number of patients with ADHD have begun self-medicating with cannabis to manage their symptoms. However, there is still only limited clinical data on the effects. A neurological disorder, ADHD can affect an individual’s behaviour causing them to become restless, have difficulty concentrating or manage impulses.

In October 2021, Drug Science’s Project Twenty21 announced that ADHD in adults had been added to the list of indications covered by the study, adding valuable data to and contributing to the evidence pool. The condition was added following the findings of a 2017 paper which provided preliminary evidence supporting the self-medication theory of cannabis use in ADHD. It showed a reduction of symptoms and no cognitive impairments following patients' cannabis use.

In a new research paper, three male patients between 17 and 23-years of age were examined. Results showed substantial changes to their way of life; all three were more able to keep their emotions ‘in check’ while two were able to take on more demanding job roles.

Reported by Cannabis Health, the study showed levels of depression were improved by up to 81%, anxiety up to 33% and emotional regulation up to 78%.

Researchers have since confirmed the need for more scientific data to confirm efficacy.


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