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Today's marijuana is much more potent than in the past, experts say. - gradyreese/iStockphoto/Getty Images ... the study was conducted prior to 2015 when smoking marijuana was most common, Gowin ...
“Marijuana in the 60s, 70s, 80s and early 90s was about 2% to 3% THC,” said Thurstone, who has tracked the rise of high-potency THC products in smoke shops and dispensaries.
Overuse of high-potency cannabis could be linked to a sharp increase in schizophrenia cases in Canada, according to a new study that calls for a review of the drug’s long-term effects.. The ...
These are achieved at lower doses, because many synthetic cannabinoids are more potent than marijuana, and users are often unaware of exactly what they are getting and how potent it is. [62] For example, Δ 9-THC has an EC 50 of 250 nM at CB 1 and 1157 nM at CB 2, whereas PB-22 has an EC 50 of 5.1 nM at CB 1 and 37 nM at CB 2. [8]
In 2013, between 128 and 232 million people used cannabis (2.7% to 4.9% of the global population between the ages of 15 and 65). It is the most commonly used largely-illegal drug in the world, with the highest use among adults in Zambia, the United States, Canada, and Nigeria. Since the 1970s, the potency of illicit cannabis has increased, with ...
Malawian cannabis, particularly the strain known as Malawi Gold, is internationally renowned as one of the finest sativa strains from Africa. [1] [2] According to a World Bank report it is among "the best and finest" marijuana strains in the world, [3] generally regarded as one of the most potent psychoactive pure African sativas.
In reality, today’s highly potent, super strength marijuana is more addictive and linked with psychosis and other mental illnesses, IQ loss, and other problems.”
World map of annual cannabis prevalence. This is a list of the annual prevalence of cannabis use by country (including some territories) as a percentage of the population. The indicator is an "annual prevalence" rate which is the percentage of the youth and adult population who have consumed cannabis at least once in the past survey year.