A controversy! Much of medical care is a controversy. When Americans read these kinds of study results, they often disagree, often want to stay with conventional wisdom. Who is right, who is wrong?
In any case continually rethinking everything is necessary in the quest for quality and cost effectiveness.
PHILADELPHIA—Stents and coronary artery bypass surgery are no more effective than intensive drug treatment and better health habits in preventing millions of Americans from heart attacks and death, a large study found, shedding new light on a major controversy in cardiology.