For the third year in a row, the number of websites selling controlled prescription drugs like OxyContin, Vicodin, Xanax, Valium and Ritalin has increased, according to a new White Paper released by The National Center on Addiction and Substance Abuse (CASA) at Columbia University and Beau Dietl & Associates (BDA). CASA and BDA performed the same analysis over the course of a comparable one-week period since 2004, when 157 sites were identified as selling controlled prescription drugs compared with 185 in 2006. For more information, visit CASA’s website here.