It's an unfortunate fact many adolescents in the USA become introduced to alcohol and drugs at a young age, and a great many even become addicted and dependent to drugs and/or alcohol. For adolescents in Portola Valley, California that do become addicted and dependent to drugs, parents need to take every action within their power to get the problem handled before it is far too late. Or else, substance abuse will lead down a path which may cause serious consequences in an adolescent's future and any indicators that drugs or alcohol have been in the picture ought to be addressed right away. There are alcohol and drug rehabilitation facilities for adolescents accessible around the Portola Valley area, several of which cater simply to adolescents and have treatment professionals readily available trained specifically in dealing with this age group.