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Anonymous
In 1988 an American research team discovered the part of the brain that picks up THC and other cannabinoids. Dubbed CB-1 receptors, they seem to be responsible for the euphoric and anticonvulsive effects of cannabis. CB-1 receptors are found in many parts of the nervous system and reproductive system, but are virtually absent from areas that control the lungs and heart. Marijuana bypasses these symptoms, making it essentially non-toxic. Most drugs, even aspirin or coffee, act on these vital systems, which means at high enough doses, they can be toxic or fatal to humans. On the contrary, there are no recorded deaths from a marijuana overdose. The effects of THC overconsumption are generally resticted to conditions that may may include severe temporary memory impairment, paranoia and panic, but most often result in sleepiness followed by deep and sometimes prolonged sleep.
Scientists identified a second group of cannabis receptors known as CB-2 receptors. These are found in the immune system, primarily the spleen, but also in other organs. They appear to be responsible for the anti-inflamatory and stress reduction effects of marijuana. The CB-2 receptors may hold the key to many other therapeutic effects that this plant offers, such as immune modulation and tumor reduction.
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