Yeah, you know i figure you probably die doing what you do. If you surf you stand a higher chance dying surfing than a football player etc. You take chances and life is a risk vs benifit. There's no way to eliminate all the risks in life you run from one into the arms of another.
But biking's not bad, it's not even that high on the list.
As for risk benefit, check out Lancet or British Journal of Medicine research on Bicycling and Bicycle Commuting. (Biking much better for you than not...)

And, hey, no one gets out alive.