It's all about risk, and a lot of risk factors are still somewhat unknown. I think about cancer like rolling dice, we all roll by the nature of existing. A smo

It's all about risk, and a lot of risk factors are still somewhat unknown. I think about cancer like rolling dice, we all roll by the nature of existing. A smoker might be rolling a 6-sided die with cancer on one side. An athlete is still rolling a die with cancer on one side, but it's more likely a 100-sided die.