Personal Space

Are you annoyed by close talkers? It may not be their fault. Neuroscientists at the California Institute of Technology have pinpointed the brain structure responsible for a person’s sense of personal space.

People's ideas of personal space may vary. How close is too close for you? E.R. physician Dr. Travis Stork tests audience member Ashley's comfort level at public, social and personal distances.

From nervous ticks to strange eating habits, do you judge people’s “bizarre” behaviors? Learn the medical reasons behind mannerisms. And, is OCD more than a mental condition? Plus, find out why some people are always late.