Its very easy to understand how it gets started, its just weird that people hang onto them, and it is the same reason people burned witches. 1. Something uneve

Its very easy to understand how it gets started, its just weird that people hang onto them, and it is the same reason people burned witches. 1. Something uneventful thing happens (a guy likes to leave his windows open) 2. He gets cancer and dies 3. Cross drafts are clearly the problem