More than two-thirds of chronic pain patients registered to legally access medical cannabis products substitute marijuana for prescription opioids, according to data published in The Journal of Headache and Pain.

More than two-thirds of chronic pain patients registered to legally access medical cannabis products substitute marijuana for prescription opioids, according to data published in The Journal of Headache and Pain.: https://ift.tt/2sB4cLG Read more... https://ift.tt/2MPVCBm