Prescription drug overdoses have become alarmingly common in the U.S., with opioid painkillers, such as Vicodin and Oxycontin, among the drugs most frequently making headlines. New research shows another class of drugs — benzodiazepines or “benzos” — is rising in the ranks of overdose deaths, however.1 Prescriptions for such drugs, which include brand names Valium, Ativan and Xanax, tripled from …