Tetrahydrocannabinol, better known as THC, the psychoactive compound in marijuana. A group of American scientists have identified genes that produce it. According to researchers at the University of Minnesota (responsible for the finding), will now be able to produce a cannabis plant free from its narcotic effects.

THC genes are active in a small “hairs” that cover the flowers of the plant, currently trying to “disable”. Doing so could result in a plant without THC, because these hairs can be seen with a magnifying glass, plants with and without this substance could be distinguished visually.

THC has many applications for pharmacy. This discovery could help to develop better drugs to relieve pain, nausea and other disorders. Furthermore, THC is used to treat glaucoma and asthma, also for insomnia.

Marijuana and hemp are two varieties of the same species: Cannabis sativa. However, the amount of THC in marijuana is much greater. According to one of the authors of the study, Professor, George Weiblen, “cannabis genetics can contribute to better agriculture, better medicine and better enforcement of drug laws.

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