First long term study on medical cannabis shows only small adverse effects, but also small reductions in pain

A new study conducted on the medical consumption of cannabis came up with some good news, and some bad news: for starters, while there were some adverse effects on consumers, no serious effects were reported. However, the reduction in pain also seems to be very small.

Dr. Mark Ware, Associate Professor in Family Medicine and Anesthesia at McGill University has conducted the first ever long term study on the effects of Medical Cannabis; he studied 216 individuals with chronic pain, and 215 controls (chronic pain but no current cannabis use) from seven clinics across Canada. Several randomized controlled trials of smoked cannabis have shown efficacy in chronic pain and spasticity, but these trials have been short (1-3 weeks of exposure) with small sample sizes (20-60 subjects).

“We conducted a prospective cohort study to describe safety issues among subjects with chronic noncancer pain. A standardized herbal cannabis product (12.5% THC) was dispensed to eligible

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