Many of the findings are what you’d expect: don’t drink too much, don’t smoke, exercise often, eat a nutritious diet, maintain a healthy body weight, and keep learning.

I have to train smarter. How I feel depends on how I care for my body. If I’m hydrated, eating healthy, stretching, foam rolling, and running smart, I feel great. If I’m traveling, dehydrated, and perhaps pushing myself too hard, my knee twinges, and my back gets stiff.