There is a statistic somewhere, that lists how many people die each year from falling coconuts.
You COULD have an anneurism and fall over dead. You COULD be struck by lightning and killed. You COULD be killed more ways that I can possibly immagine.
Yeah, you are very fragile on a bike, and much more exposed to harm than if you were in a car. Just watch out and be careful. People die every day on bikes. And in cars. and in aircraft. and walking under coconut trees. Ok, maybe not every day with the coconut thing.
I know the bike thing is scary to alot of people. Hell, I've had two friends killed in the last 2 years on motorcycles. one was being a dumb ass. the other was in full riding gear, and did nothing wrong (so sayeth the cop who watched the whole thing). A car was following him too closely. A pickup stopped at a stop sign, then proceded right out in front of him. He layed the bike down and avoided the collision. The person that was following too closely swerved and ran his torso over. Crushed his ribcage and destroyed his internal organs. It was pretty bad, he lived for like 2 hours afterward. My brother in law's brother died driving 30mph. Just cruising through a residential when a car backed out right in front of him. His front tire hit, and his head (in a helmet) hit the side of the car. Killed him instantly.
Now, I'm not all morbid, but the more you know about accidents, the more you learn about avoiding them.
Nonetheless, for every death, there are umpteen million who survived the motorcycle wreck. One of my favorite things when watching motorcycle racing is to see the guy lay his bike down at 175mph, slide/roll to a stop, stand up, and storm off mad as hell.
You cant stop living to avoid dying. Have fun with it. Just be careful.