While the legality and potential dangers of marijuana continue to be debated in Laguna Beach, Calif. and other parts of the nation, one thing has become consistently clearer: marijuana can create serious problems for teens. While drug rehab may not be in the cards for every teen that uses marijuana, there is no denying that extended use of the drug can have serious effects and ultimately lead some to develop addictions to more harmful substances. It is clear that teens and marijuana are not a good mix. The following video highlights just a few of the effects that marijuana use has on a teen’s mental and emotional state.