Cancer is perhaps the most frightening of all diseases we face. And the thing is, it's very often entirely preventable. If we simply made some different decisions, earlier, many cancers would never happen.
We sometimes think of healthcare as something that happens in our doctor's office, but really it starts with the multitude of smaller decisions that we make: what to eat, how much to sleep, how much exercise to get.
Why don't we do what we know is good for us? Part of what may be going on here is that we lack a sense of agency in our health - we don't feel like we're actually in control, or that our engagement will matter.