In the Star Trek universe it's illegal on Earth, served in large bottles, and regarded with a certain wariness that suggests it's very potent, maybe even containing something more psychoactive than mere alcohol.
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It's not surprising that many of the legal cannabis options for sale these days are all about potency, packing far more psychoactive tetrahydrocannabinol (THC) into each product than you'd ever get from a joint 20 or 30 years ago.
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It has been shown that the primary active component of cannabis, Δ9-THC, is converted to the more psychoactive 11-hydroxy-THC by the liver. Titration to the desired effect by ingestion is more difficult than through inhalation, due to the long onset time for the effects.
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In the plant kingdom (Plantae), almost all psychoactive plants are found within the flowering plants (angiosperms). There are many examples of psychoactive fungi, but fungi are not part of the plant kingdom. Some important plant families containing psychoactive species are listed below. The listed species are examples only, and a family may contain more psychoactive species than listed.
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The corresponding alcohol, cathine, is a less powerful stimulant. The biophysiological conversion from cathinone to cathine is to blame for the depotentiation of khat leaves over time. Fresh leaves have a greater ratio of cathinone to cathine than dried ones, therefore having more psychoactive effects. There are many cathinone derivatives that include the addition of an R group to the amino end of the molecule.
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Crosses between inbreds from different heterotic groups result in vigorous F1 hybrids with significantly more heterosis than F1 hybrids from inbreds within the same heterotic group or pattern. Heterotic groups are created by plant breeders to classify inbred lines, and can be progressively improved by reciprocal recurrent selection. Heterosis is used to increase yields, uniformity, and vigor. Hybrid breeding methods are used in maize, sorghum, rice, sugar beet, onion, spinach, sunflowers, broccoli and to create a more psychoactive cannabis.
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Once the bong has a fair amount of smoke built up, either the carb is uncovered or the stem is separated from the bong, allowing the remaining smoke to be inhaled. However, a 2000 NORML-MAPS cannabis study found that "water pipes filter out more psychoactive THC than they do other tars, thereby requiring users to smoke more to reach their desired effect". In the study, smoke from cannabis supplied by the NIDA was drawn through a number of smoking devices and analyzed. This study looked at the tar to cannabinoid ratio in the gas in output by various bongs, as well as unfiltered and filtered joints, and vaporizers.
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The best- known entheogen-using culture of Africa is the Bwitists, who used a preparation of the root bark of Tabernanthe iboga.Bwiti: An Ethnography of the Religious Imagination in Africa by James W. Fernandez, Princeton University Press, 1982 Although the ancient Egyptians may have been using the sacred blue lily plant in some of their religious rituals or just symbolically, it has been suggested that Egyptian religion once revolved around the ritualistic ingestion of the far more psychoactive Psilocybe cubensis mushroom, and that the Egyptian White Crown, Triple Crown, and Atef Crown were evidently designed to represent pin-stages of this mushroom. There is also evidence for the use of psilocybin mushrooms in Ivory Coast. Numerous other plants used in shamanic ritual in Africa, such as Silene capensis sacred to the Xhosa, are yet to be investigated by western science.
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