It's an unfortunate fact many adolescents in the USA use alcohol and drugs at a very young age, and some even develop a dependence or addiction to drugs and alcohol. For adolescents in Yosemite National Park that do end up addicted to drugs and alcohol, adults will need to take every step possible to have the issue resolved before it is far too late. Or in the end, addiction will lead to circumstances that may cause serious consequences in a teen's life and any indications that alcohol or drugs have been in the picture must be addressed right away. There are drug rehab programs for adolescents offered around the Yosemite National Park, CA. area, many of which cater just to adolescents and also have treatment experts available trained specifically in helping this age group.