David Leonhardt reports,

People with a drug-coated stent seemed unusually vulnerable to blood clots in later years. The new stents solved one problem, but they may have created another.

This supports Robin Hanson’s view that beneficial medicine is offset by harmful medicine.

Also, some bad news for David Cutler and other proponents of pay for performance. The Washington Post reports,

The study by researchers at the University of Pennsylvania’s School of Medicine found that going to a hospital that scored well on Medicare-mandated quality measures did not significantly reduce a patient’s risk of dying.