Search results
Results from the WOW.Com Content Network
Marihuana prensada ('pressed marijuana') is a cannabis-derived product widespread among the lower classes of South America, [189] especially from the 90s. Locally it is known as "paraguayo" or "paragua", since its main producer is Paraguay. [190] Marijuana is dried and mixed with binding agents that make it toxic and highly harmful to health. [191]
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.
Many of these plants are used intentionally as psychoactive drugs, for medicinal, religious, and/or recreational purposes. Some have been used ritually as entheogens for millennia. [1] [2] The plants are listed according to the specific psychoactive chemical substances they contain; many contain multiple known psychoactive compounds.
Psychoactive drugs operate by temporarily affecting a person's neurochemistry, which in turn causes changes in a person's mood, cognition, perception and behavior. There are many ways in which psychoactive drugs can affect the brain. Each drug has a specific action on one or more neurotransmitter or neuroreceptor in the brain.
The Justice Department on Thursday formally moved to reclassify marijuana as a less dangerous drug, a historic shift in generations of U.S. drug policy. A proposed rule sent to the federal ...
Marijuana has a lower potential for abuse than other drugs that are subjected to the same restrictions, with some scientific support for its use as a medical treatment, researchers from the US ...
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known by several slang terms, such as marijuana, pot or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent .
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. [68] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.