Another great reason to exercise, it helpsfight cancer. And this isn’t some droll statistical study, but a bit of a look at the actual engineering on why exercise does this:

A recent study goes into some of the core reasons why exercise helps fight against cancer. This research suggests that an increase in the level of a certain protein blocks another protein from encouraging cell growth and the formation of new blood vessels. Therefore, cancers which rely on new blood vessels are less likely to develop.