In stark contrast to the overblown fears portrayed during decades past, these days, most people think cannabis is relatively harmless. While weed is indeed less dangerous than some other drugs, it is not without risks.
In a study published Jan. 5, my colleagues and I found that 59% percent of people using medical cannabis for chronic pain experienced moderate to severe withdrawal symptoms if they stopped ingesting weed for hours or days.
Most states in the U.S. have legalized cannabis for medical purposes and 15 have legalized it for recreational use. More people are using cannabis, especially older adults, and the perceived harms from weed use are steadily decreasing. While many people report therapeutic benefits or enjoy recreational use of cannabis, it is important people understand the potential risks of cannabis use too.
What cannabis withdrawal looks like
Cannabis withdrawal symptoms can include both physical and psychological experiences that emerge when someone comes down from being high or goes for a period of time without use.
When people use cannabis regularly – such as daily or nearly daily – parts of the brain become reliant on cannabinoids, the psychoactive chemicals in cannabis. Cannabinoids are naturally produced in the body, but at a much lower level than is available in most cannabis products. Among those who don’t use weed for a period of several hours or days, cannabinoid levels drop and they experience withdrawal symptoms. These can including irritability, depressed mood, decreased appetite, sleep difficulties, a desire or craving to use cannabis, restlessness, anxiety, increased aggression, headaches, shakiness, nausea, increased anger, strange dreams, stomach pain and sweating.
Cannabis withdrawal symptoms usually go away within one to two weeks after use is stopped as the body adjusts back to its own natural production of cannabinoids. Unlike withdrawal from some psychoactive substances – such as alcohol – cannabis withdrawal is not life threatening or medically dangerous. But it does exist. Cannabis withdrawal can also be quite unpleasant and people can end up continuing their cannabis use – even when they want to cut back – just to avoid experiencing withdrawal.
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