Explains the role of exercise in health, and suggests a workout routine that emphasizes high-intensity, low-frequency weight training, and de-emphasizes more traditional aerobic-centered exercise.

Whom can you trust? -- Defining "health, fitness, and exercise" -- Global betabolic conditioning -- The dosoe-response relationship of exercise -- The big-five workout -- The benefits of the big-five workout -- Enhancing the body's response to exercise -- Tweaking the exercise stimulus -- The genetic factor -- The science of fat loss -- The ideal training programs for athletes -- ...for seniors -- The scientific literature supporting Body by Science.