Opioid painkillers such as Vicodin (hydrocodone) and OxyContin (oxycodone) are crucial medical tools that are addictive and widely abused. Tranquilizers and sleeping pills of the benzodiazepine class, e.g., Xanax (alprazolam), Ativan (lorazepam), and Klonopin (clonazepam), are safe and effective in limited, short-term use, but are often taken too freely, leading to drug tolerance and withdrawal […]