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The flowers of Cannabis sativa plants are most often either male or female, but, only plants displaying female pistils can be or turn hermaphrodite. Males can never become hermaphrodites. [ 3 ] It is a short-day flowering plant, with staminate (male) plants usually taller and less robust than pistillate (female or male) plants.
Cannabis plants vary widely, with different strains producing dynamic balances of cannabinoids (THC, CBD, etc.) and yielding markedly different effects. Popular strains are often hybrids of C. sativa and C. indica. The medicinal effects of cannabis are widely studied, and are active topics of research both at universities and private research ...
Medical cannabis (or medical marijuana) refers to the use of cannabis and its constituent cannabinoids, in an effort to treat disease or improve symptoms. Cannabis is used to reduce nausea and vomiting during chemotherapy , to improve appetite in people with HIV/AIDS , and to treat chronic pain and muscle spasms .
The young shoots can be used as a vegetable. [12] Some plants in the genus Cannabis are cultivated as hemp for the production of fiber, as a source of cheap oil, for their nutritious seeds, or their edible leaves. Others are cultivated for medical or recreational use as dried flowers, extracts, or infused food products.
Female cannabis plants contain at least 113 cannabinoids, [55] including cannabidiol (CBD), thought to be the major anticonvulsant that helps people with multiple sclerosis, [56] and cannabichromene (CBC), an anti-inflammatory which may contribute to the pain-killing effect of cannabis.
The genus Cannabis contains two species which produce useful amounts of psychoactive cannabinoids: Cannabis indica and Cannabis sativa, which are listed as Schedule I medicinal plants in the US; [6] a third species, Cannabis ruderalis, has few psychogenic properties. [6]
Most people 50 and older who use cannabis do so at least once a month, saying it helps them sleep and eases pain, a new survey found. More than 20% of older adults have used pot in the past year ...
Nabiximols (brand name Sativex), an oromucosal spray made of a complex botanical mixture containing cannabidiol (CBD), delta-9-tetrahydrocannabinol (THC), and additional cannabinoid and non-cannabinoid constituents from cannabis sativa plants, was approved by Health Canada in 2005, to treat central neuropathic pain in multiple sclerosis, and in ...