While we have so much information about changes that would...

While we have so much information about changes that would be necessary to decrease the risk of cancer and other chronic diseases, it's not clear how to change society and change policy to help those changes take place. It's disturbing that we have so much information now but we haven't really achieved the social will to make the kinds of changes that would need to be made to really impact tobacco smoking and the trends of increasing overweight and obesity.