Are certain races more likely to suffer from addiction?

Race and drugs 2012: Among non-hispanic whites, alcohol (44 percent) was followed by opiates (19 percent), marijuana (13 percent), Cocaine (10 percent), and stimulants (9 percent). Among non-hispanic blacks, alcohol (32 percent) was followed by Cocaine (26 percent), marijuana (22 percent), opiates (15 percent), and stimulants (1 percent).This data is based on samsha data 1997 to 2007.