No. 1 Book, and It Offers Solutions - NYT

Dr. Wennberg and some colleagues then did a survey, interviewing 4,000 people around the state, to see whether different patterns of illness could explain the variations in medical care. They couldn’t. The children of Morrisville weren’t suffering from an epidemic of tonsillitis. Instead, they happened to live in a place where a small group of doctors — just five of them — had decided to be aggressive about removing tonsils.

But here was the stunner: Vermonters who lived in towns with more aggressive care weren’t healthier. They were just getting more health care...