Film, Media & TV5 mins ago
weed
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wot happens when u smoke weed y does ur head do mad stuff to ya
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For more on marking an answer as the "Best Answer", please visit our FAQ.I'm guessing you're talking aboutcanabis and not dandilions? Smoking excessive amounts of weed can leave you infertile, this is because (for a man!) your sperms grow an extra tail and crash and cannot make their way to the egg. I know that's got nowt to do with your head but I thought it was interesting!
Smoking cannabis is not always 100% safe. Research has shown that it can contribute towards the onset of schizophrenia (cannabis induced psychosis). Link will provide more info.
http://www.priory.com/psych/cannabis.htm
I know someone who this has happened to.
Don't laugh, but a so called social worker I know, was a habitual cannabis user. She used to think it was 'cool'. She is the same age as me, but looks 15 years older, has had 2 strokes & was pensioned off from her job, at the young age of 54! I'm glad I've never dabbled, cos it certainly did her no favours!
the cannabis causes the blood vessels in your brain to expand and lower your blood pressure and starve your brain of oxygen.that is why you go so slow when you are stoned.there are also two major chemicals in cannabis one gives you the stoned feeling and the other gives you the high.a friend of mine has been smoking it for years and says it has had no adverse effects on him.but he added his bedside light is now becoming rather annoying with its constant chatting lol.
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ive never heard such rediculous speculations about marijuana in my life, ive spent 4 years learning as much as i can about marijuana, and after sifting through all the negative propaganda, i have found these things to be true, and verified by scientific research; marijuana can lead to antimotivation syndrome, increased apetite, and in some rare cases temporary mental conditions simalar to anxiety. I have heard of some people having adverse mental effects such as temporary psychosis, but those cases are a fraction of a percent. most studies for chronic use involving lower primates showed that after a year of daily use long term effects took less then 6 months to fully fade, and they were feedin monkeys like 10-20 joints a day every day for a year. thc or tetra hydro cannabinol works by stimulating your neuro-receptors. there are actually chemical receptors in your brain that are designed specificly to accept cannabinol and absorb it. onces absord it promotes augmented synaptic firing, which is what causes the mental effects. so truly everything you feel when you are "high" is in your head, including increased appitite which is caused by your brain thinking your blood sugar is low.
Cannabis contains substances called cannabinoids. Cannabinoids are almost identical to a substance your body produces naturally called anandamide which amongst other things, has a pain killing and sedative effect(calms you down). When you feel pain anandamide is released and it triggers something in the brain called a receptor which starts the pain killing/sedative effect. Cannabis fools the brain into thinking anandamide has been released, but its really the cannabis! This isn't the only reason you get stoned, but it is part of the process. If the body did not have anadamide and the anandanide receptor, cannabis would not get you stoned.
Cannabis CAN cause people with underlying mental disorders to have their illness triggered by cannabis, and it may not be temporary! Heavy use of cannabis and its derivatives has caused mental illness which was not temporary. Most people need not worry about this. Discored was right that most people, when they stop smoking, will lose any negative effects cannabis may have had on their mental state. A minority will, however, have problems that may not be temporary. No drug is harmless, and it is easy to underestimate the way cannabis, particularly skunks, can effect you. Many skunks are high in THC (has psychotic properties) but low in CBD (anti psychotic properties) so skunks may be more likely to cause paranoia and anxiety, particularly with less experienced users. By the way, the receptors cannabis can trigger are called cb1 and cb2. They aren't designed to be triggered by cannabis, but by anandamide. The fact that cannabinoids are almost identical to this substance naturally produced by the body is probably a fluke of nature. Opium has a similar effect. The opiate receptors weren't designed to be triggered by opium or opium derivatives (heroin, morphine etc). opium is like cannabis, almost identical to substances produced by the body naturally. Many people believe cannabis and opium were MEANT to be used by man, but this was before we understood about anandamide.
Hope this was useful.
AByrne
Senior Drugs Worker
West Mids.