Larissa Stouffer, 30, Melrose, Mass.
Neil Kao, MD, allergy and asthma specialist, Allergic Disease and Asthma
Center, Greenville, S.C.
Patti Wood, author, Success Signals: Understanding Body Language.
Library of Congress: "Everyday Mysteries: Fun Science Facts from the Library
Bhutta, M. Journal of the Royal Society of Medicine, December 2008;
vol 101: pp 587-591.