Coralee Thompson, M.D., at Rattlesnake Rock in the Coronado National Forest. Hear her sing in Music.

"Dr. Maffetone's guidelines are easy. All you need is a heart rate monitor and a little patience. And yes you can do it just by slowing down and letting your body catch up with your mind."
–Mike Pigg

"AMAZING! I went from a 40-minute 10K to a 35- minute 10K without training hard."
– Colleen Cannon, World & National Champion triathlete; Founder: Women's Quest

Hal and Laredo heading out on the World Championship Pack-Burro Race course. (Photo by Tim Van Riper.)

"Thanks Dr. Phil!”
– Misty Hyman
Gold medalist, Sydney Olympics, 200m butterfly.

Heart rate monitor cartoon – from the second and third editions of In Fitness and In Health.

Another record, on a rainy
June afternoon.