Also known as: Grass, Marijane, Joint , Pot
The long terms effects of Marijuana are probably the slowest to show long term effects. It takes about 10 to 20 years for it to show long term affects from use.
The purity of Marijuana has increased over the past 15 years. Marijuana has been scientifically grown to produce more potency. But smoking Marijuana builds up tolorance for it so you'd have to smoke more and more to get the same high. It is also spray with many toxic chemicals for increased production. In one joint of weed unsmoked there can be as much as 400 differant chemicals.
In big cities, Marijuana drying up on the streets. Instead dealers sell PCP that was used to spray on the plants.