Take everything in moderation, even dihydrogen monoxide! Seriously though, it is like that. Expose yourself too much of omething, chances are you will die. Walk too much on a railroad (unlucky and a train will hit you), drink too much soda (this is a little farfetched but hey, overweight kills and you might develop diabetes and aspartame can cause cancer) although i still think people should be more concerned about their attitudes towards smoking, driving and drinking. These are the most common reasons people die each year (traffic accidents etc).