Friday, November 17, 2006

Understanding aging

There have been a spate of articles lately about attempts to slow the aging process.

It has long been known, for example, that calorie restriction slows the aging process in worms and mice. We aren't talking about minor-league calorie restriction, though, we're talking about cutting down to about half of the calories normally eaten by other mice. For humans, this would be a major, major sacrifice. Mice and rats who achieve this sacrifice, though, live about 30% longer than other mice. A few crazy humans are now attempting this, among them some of the scientists who have studied calorie restriction in mice. It's my guess that these humans are deeply unhappy people who will probably die in a car crash, or from sheer boredom.

To give you some idea of how profound the calorie restriction is that we're talking about, the proposed mechanism that leads to slower aging is lower body temperature. That's right, these folks are eating so few calories that they are actually failing to maintain their body temperature. How much energy could they possibly have to enjoy the finer things in life?

More recently, some scientists at a company (who used to work at Harvard) have shown that an extract of grapes containing resveratrol can also slow the aging process. The goal of the company is actually to extend life by providing pills containing resveratrol. Sounds like this company will probably have about as much success as Ponce de Leon in this endeavour.

Perhaps more impressively, and likely more successfully, other folks feel that extracts of natural foods, especially those containing antioxidants, can increase energy, improve brain function, and stimulate the immune system. Proleva is one of these products containing extracts of blackberry, cranberry, grape, and strawberry. Now this is a plan that makes sense to me. Take some items that we already know are good for us, concentrate them, and provide them daily. The relatively low cost of such a product is easily justified by the benefit most important to me: knowledge that I am doing something good for my body that will augment my efforts to excercise and eat right. If you want to try it, click here to order proleva.

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