Other experts said because cancer is such an expensive disease to treat, poor countries need to focus on prevention. "Even developed countries can't afford to pay for some of the newer, targeted cancer treatments," said Raghib Ali, a cancer expert at Oxford University. Ali said it might be possible to avoid one-third to one-half of future cancers by persuading people everywhere to eat healthier, quit smoking and exercise. "Unfortunately, these are a lot of the things that people don't want to do," he said. ___ Online: http://www.lancet.com |