Legalization of Marijuana Marijuana refers to a mixture of leaves, and stems found on the cannabis sativa plant. It has hallucinogenic and pleasure-giving effects on the user when consumed through either smoking or eating. Tetrahydrocannabinal, better known as THC is the non-narcotic psychoactive ingredient in marijuana. Marijuana use has been documented as far back as 3000 BC in Central Asia and China, where it was used as a folk medicine by village healers. By the 20th …
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…within the eye and eventually can lead to blindness. Marijuana can reduce the pressure within the eye. The downside however, is that is may also reduce blood flow to the optic nerve, which can exacerbate the loss of vision. The reduced blood flow to the optic nerve is less serious to the side-effects of other leading conventional treatments. Beta-blocker eye drops, a more conventional treatment for glaucoma, can cause sluggishness and sometimes activates asthma attacks.