Like teenagers, many post 50s behave as though they are indestructible, making lifestyle choices that simply aren't good for them.
The good news is that, over the past two decades, people are living longer lives as well as healthier ones. The bad news is that some people still engage in behaviors that can knock years off their lives.
To find out about 12 ways you're cutting your life short, flip through our slideshow below. And tell us what you think in comments.