What ailed Sir Andrew Aguecheek? Shakespeare made it clear that this improbable character in Twelfth Night had emotional problems and intellectual limitations: "I am a fellow o' the strangest mind i' the world." Again: "Many do call me fool." But why? Surely not for the reason that Aguecheek himself offered: "I am a great eater of beef, and I believe that does harm to my wit."
In last week's Lancet, London's Dr. William H. J. Summerskill indulged in a tour de force of long-range diagnosis came to the conclusion that the fool may have been right. Physician Summerskill worked it out...