Aging May be Defense Mechanism Against Cancer

Researchers have discovered the gene p16INK-4a. This gene determines when cells stop dividing and start deteriorating. As we age, this gene becomes more active. Therefore, our cells may be protected against becoming cancerous, but as a result our bodies may physically and mentally "wear out." This research actually suggests that the physical deterioration is actually programmed into our genes in an attempt to prevent the body from developing cancer! Check out the article for yourself at :
http://www.foxnews.com/story/0,2933,214352,00.html?sPage=fnc.science/humanbody