Martha Edwards here -- the newest addition to the That's Fit blogging team. For my first post, I'm going to bend your ear with a story about a group of people who inspired me to live better – the Okinawans, a community of people living on an island in southern.

I first heard about this group in a psychology class, where we studied the physiological and psychological aspects of aging. At the time, I was a busy university student who lived on fast food, massive amounts of caffeine, and, oh yeah, beer. That class caused me to cast a critical eye on my then lifestyle.

When I first heard of the Okinawans, it was recently discovered that this group, in general, has an amazingly high life expectancy -- the highest in the world in fact. They also have a remarkable number of Centenarians (people who live to be 100 or older), and have few instances of the serious diseases that have plagued us in the west, namely cancer and heart disease. The Okinawa Centenarian Study (OCS) set out to figure out just what made these people live longer. Was it their diet? Exercise? Spirituality? Good genes?

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