For the longest time, we thought of cancer as related to smoking or genetics but there is so much more to the story says Adam Barsouk, has spent his career researching the disease. Here he explains the latest findings and what they tells us about lowering the chances of developing what currently kills one in six of us I n some ways, our understanding of cancer has never been better: survival rates in the US for some versions of the disease, including breast cancer , have more than doubled over