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A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Cannabis smoke contains many of the same carcinogens as tar from tobacco smoke. [12] A 2012 literature survey by the British Lung Foundation identified cannabis smoke as a carcinogen and also found awareness of the danger was low, with 40% of under 35s thinking that cannabis (when smoked) was not harmful. Other observations include lack of ...
According to a 2009 annual report by the European Monitoring Centre for Drugs and Drug Addiction, the Dutch are among the lowest users of marijuana or cannabis in Europe, despite the Netherlands' policy on soft drugs being one of the most liberal in Europe, allowing for the sale of marijuana at "coffee shops", which the Dutch have allowed to ...
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
Many people try marijuana, and some develop an addiction leading to their lives — and the lives of others — being turned upside down, Dr. Mark Hurst writes. 'Marijuana is, in fact, a problem.'
The time to onset of effects depends strongly on stomach content, but is usually 1 to 2 hours, and may continue for a considerable length of time, whereas the effects of smoking or vaporizing cannabis are almost immediate, lasting a shorter length of time. [10] All of the active constituents enter the body when cannabis is consumed orally.
More than one in five people age 50 or older have used cannabis at least once in the past year, a new survey reveals. And most of them smoke, consume or vape cannabis products once or twice a ...
A 1994 report from the Center on Addiction and Substance Abuse at Columbia University, found a correlation between the use of cigarettes and alcohol and the subsequent use of cannabis. The report asserted a link between alcohol and cannabis use and the subsequent use of illicit drugs like cocaine. [1]