title: On call. I'm a 62-year-old man in good health. I take Zocor for my cholesterol as well as a baby aspirin and several vitamins every day. My problem may seem silly, but it's really a nuisance: uncontrollable yawning. Do you have any idea why I yawn so much or what I can do about it?
authors.forename: Harvey B
authors.initials: HB
authors.lastname: Simon
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D010353:Patient Education as Topic; D015000:Yawning / Q000502:physiology*