When you instruct people to wait 12 hours between taking painkillers that last 8, you will reliably get them addicted to painkillers. The on/off whipsaw of the

When you instruct people to wait 12 hours between taking painkillers that last 8, you will reliably get them addicted to painkillers. The on/off whipsaw of the medication will do that. Sure, the social ills exacerbate the problem. But a lot of it is pure physiology.