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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 (THC), and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Marijuana use is also linked to other substance use disorders including nicotine addiction." [305] It also reported that "These findings are consistent with the idea of marijuana as a "gateway drug". However, the majority of people who use marijuana do not go on to use other, "harder" substances. Also, cross-sensitization is not unique to ...
Cannabis has long been used for hemp fibre, hemp seeds and their oils, hemp leaves for use as vegetables and as juice. Industrial hemp products are made from cannabis plants selected to produce an abundance of fibre. Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known as marijuana or weed.
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.'
Local methods have differed by the preparation of the cannabis plant before use, the parts of the cannabis plant that are used, and the treatment of the smoke before inhalation. In early times, as in some parts of Africa today, a pile of cannabis was simply laid on a fire and the smoke inhaled. [ 3 ]
At the beginning of 2014, the state of Colorado legalized the sale, possession, and use of marijuana for recreational purposes -- to read our in-depth report on the legalized marijuana industry ...
Right now, medical marijuana is commonly used to treat nausea, chronic pain, glaucoma and a range of other issues. But that might not be all that the drug can do. Several studies have uncovered ...
A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...