Dr. Marc Siegel discusses whether there should be concern over a possible rise in measles in the U.S. on ‘The Ingraham Angle.’

Do you know what the difference is between healthspan and lifespan? You should, especially because while the average lifespan has increased from 75 to 77 since 1990, the average health span hasn’t budged. It's stuck at around age 65 according to research from the the renowned Institute for Health Metrics and Evaluation at the University of Washington.

What that means, in real terms, is quality of life. It is one thing to live longer, it is another to live better. "Healthspan" means simply the amount of time you are living in essentially good health, as opposed to being consumed or defined by disease.

Don’t get me wrong, it is possible to suffer from a chronic illness and still enjoy a good quality of life, and there are many illnesses, from rheumatoid arthritis to Multiple Sclerosis, to Congenital Heart Disease to blood clots to infections that are anything but self-imposed. Not only that, but some of the most inspiring stories I’ve witnessed or treated among my patients involve the courage to........

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