There are many young entrepreneurs in this community. With youth we feel invincible and aren't typically "unhealthy".
So, do you insure yourself? Many 20 somethings I know do not. This LA Times article discusses if we even need "health insurers" and explains what we all know: For health insurers to be profitable, they need young healthy people to have policies and pilfer elderly sick people.
Now that the baby boomers are here and for the first time in history we have more people that are near/over the age of retirement than under the age of 5, how can insurers make money without having premiums go through the roof?