As economists have often pointed out, we pay doctors for quantity, not quality. As they point out less often, we also pay them as individuals, rather than as members of a team working together for their patients. Both practices have made for serious problems.

My own son has a congenital heart condition, where his life was saved by a cardiac surgeon stepping in at 11 days of life to save his life. But he is now 21 years old because of constant monitoring and working with him with a primary care physician. that's the only reason now that he's getting to live a long and healthy life. That's what we're not rewarding. They don't have the kind of resources and commitment that we are giving to people like me. I have millions of dollars of equipment available to me when I go to work every day in an operating room.

Developing a skill is painful, though. It is difficult. And that's part of the satisfaction. You will only find meaning in what you struggle with. What you struggle to get good at next may not seem the exact right thing for you at first. With time and effort, however, you will discover new possibilities in yourself-an ability to solve problems, for instance, or to communicate, or to create beauty.

We have medicalized aging, and that experiment is failing us.

What is the alternative to understanding the complexity of the world?

Having great components is not enough, and yet we've been obsessed in medicine with components. We want the best drugs, the best technologies, the best specialists, but we don't think too much about how it all comes together.

I learned about a lot of things in medical school, but mortality wasn't one of them.