Scientists aren't even sure why we HAVE hair, but experts all agree: Our hair is anything but superficial. Studies show our hair affects how others perceive us, for better and for worse.
Yale University psychologist Marianne LaFrance has found that the same face with different hairstyles garners radically different views of how wealthy, smart, open-minded or agreeable the same person was.
Credit: AP Photo/Ted S. Warren
"Sunday Morning" asked LaFrance to offer her impressions of what the hair of a number of leading NFL players represents:
On Green Bay Packers linebacker Clay Matthews, LaFrance says his hair reflects someone who is "Flagrant, unpolished, chaotic."
Credit: AP Photo/Mark J. Terrill
New England Patriots wide receiver Tiquan Underwood: "Jocular, comradely, accessible."