Well-Informed Barber: I've noticed your hair is thinning quite a bit on top.
Borscht Belt Comedian: So? Who wants fat hair?
Barber: Very funny. But I guess you haven't read the latest issue of the Journal of the American Medical Association. A study out of the Boston University School of Public Health shows that men with bald spots can have more than three times the risk of heart attack as guys with a full head of hair.
Comic: You should talk. If your hairline recedes any more, you'll have to start buying floor...