After about age 30, the unattended human body begin to fall apart: We lose power, bone mass, aerobic ability, energy and resistant function. Eyesight and mental perception begin to get worse. Joints pain. Metabolism can slow. Skin can sag.

"It is never too late or too early to begin a healthy lifestyle. Normal wear and tear on the human body can be inverted through simple adjustment," says Cooper, 76, who introduce the concept of aerobics near 40 years ago.

Cooper and son Tyler frequently agree on a formula combine exercise, annual medical exams, good food in well proportions, selected supplements and stress decline. Both are big on maintenance fitness and diet change simple, leaving one pace at a time.

The final goal is "positive addiction": exercising to the point that you expect pleasure from it and are determined to repeat it day after day and intake so healthfully that you are continually remind of all the amazing profit.