However, in heavy chronic users, traces can sometimes be detected for weeks after they have stopped using marijuana. Contrary to popular belief most teenagers have not used marijuana and never will. Fewer than one in five high school seniors are current marijuana users. There are many reasons why some children and young teens start using marijuana. Most young people use marijuana because they have friends or brothers and sisters who use marijuana and pressure them to try it.
Some young people use it because they see older people in the family using it.
Other users may think it's cool to use marijuana because they hear about it in music and see it used in TV and movies. Inc. Other trademarks property of their respective holders.