Interval training has helped usher in a brave new world of science-based fitness.

FORBES: How Short And Intense Workouts Changed Fitness For Everyone

Ultimately, the proliferation of interval training and other high-intensity protocols has saved a lot of time and burned a lot of fat for fitness enthusiasts worldwide.

FORBES: How Short And Intense Workouts Changed Fitness For Everyone

Interval training involves alternating periods of moderately intense exercise that last one to three minutes with short, more intense exercise periods lasting from 30 seconds to a minute.

CNN: Is a shorter but harder workout better?

No special equipment is needed (although a heart rate monitor can be helpful for gauging how hard you are working) and interval training can be done either outdoors or indoors.

CNN: Is a shorter but harder workout better?

On the other hand no diet alone, restriction diet or otherwise, will double lifespan. (See further below.) Media focus on caloric restriction diets is for the sole purpose of diverting attention from megadoses of antioxidants, especially Coenzyme Q10, combined with interval training and no meat in the diet and the daily inclusion of oatmeal, an approach which can indeed double lifespan.

FORBES: Extradite Andrew Wakefield To Face Fraud Charges In The UK

The specialists are affable, knowledgeable, and motivating--a month later, I was still "breathwalking" to work and following the interval-training routine I was prescribed.

FORBES: Head 2 Head