Eat less, live longer
Think you can cut just 300 to 500 calories a day from your diet? If so, it could be the very thing that keeps you living longer.It's been said before: Limiting caloric intake can slow the aging process. This theory, based on the study of rats and mice, goes like this: Fewer daily calories decrease production of the thyroid hormone triiodothyronine (T3), which then slows metabolism and tissue aging. Now, a new study adds to this theory and shows that this hormone decrease occurs when humans regularly skip rich desserts or forgo the Big Mac for a turkey sandwich instead.
So, researchers know now that calorie restriction does indeed slow hormone production in both animals and humans. Great news. What they need to determine now is whether the restriction actually slows the aging process. Common sense says that it does -- there's lots of evidence that cutting back on calories can limit risk for many common diseases, like cancer, diabetes, and heart disease. Avoid these diseases, and yes, you will live longer.
When I grow up,
Want to feel better, look younger, and add years to your life? Want to do it without pills, expensive therapy, or wacky supplements? It's possible, says Blue Zones founder Dan Buettner, author of the book 
Despite the glaring fact that obesity, unhealthy diets, and an overall lack of exercise pose quite a threat to our nation, we are making some pretty good health advances -- healthy eating is on the rise, smoking is on the decline, and medical progress is clearly evident.
Three years ago, seven staffers from the 
While running and walking on the treadmill today at the gym, I tuned into
I happen to be concerned with both my fitness and my fat as I strive for optimal health. But one is more important than the other, it seems.
Feeling charitable? Then get out there and give of yourself. It's good for others, and it's good for you too.
Moments ago, after her very athletic
While doing my indoor exercise routine yesterday morning -- my outdoor running and walking is on hiatus while my
Did you know worms live longer when they are unable to process the simple sugar glucose? Sure enough. And this finding, published in the October issue of Cell Metabolism, may mean for humans that glucose could have a negative effect on life span. Study of these little worms may have other human implications too.
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