Controversial Blood Test Predicts How Long You Will Live

A new test set to hit the market in Britain in the next year aims to tell patients how long they have to live, and naturally that's not happening without controversy. The test measures a person's telomeres, those structures found on the tips of chromosomes. The length of telomeres apparently correlates with how fast a… » 5/18/11 2:00pm 5/18/11 2:00pm