which racial/ethnic groups are most likely to use illegal drugs during adolescence.
1 White adolescents smoked cigarettes at a higher rate than did African-American adolescents in 2009, with 24 percent of white high school seniors reporting that they smoke compared to only nine percent of African-American seniors. Marijuana usage rates were nearly identical among white and African-American adolescents; about 21 percent of high school seniors from both racial/ethnic groups reported usage in 2009.