Some Heavy Cannabis Users Experience Withdrawal After Quitting Twelve percent of frequent marijuana smokers experience cannabis withdrawal symptoms as defined by the Diagnostic and Statistical Manual of Mental Disorders-5 (DSM-5), according to researchers at Columbia University Mailman School of Public Health and Columbia University Irving Medical Center. The symptoms include emotional, behavioral and physical symptoms.
Warning! CBD is not medicine it is junk, says Houston police chief. Products purchased by undercover cops found to be tainted with dangerous chemicals, including THC.