Guests at the Berghof, Hitler’s private chalet in the Bavarian Alps, must have endured some unpleasant odors in the otherwise healthful mountain air.

It may sound like a Woody Allen scenario, but medical historians are unanimous that Adolf was the victim of uncontrollable flatulence. Spasmodic stomach cramps, constipation and diarrhea, possibly the result of nervous tension, had been Hitler’s curse since childhood and only grew more severe as he aged. As a stressed-out dictator, the agonizing digestive attacks would occur after most meals: Albert Speer recalled that the Führer, ashen-faced, would leap up from the dinner table and disappear to his room.

This was an embarrassing problem for a ruthless leader of the Third Reich. With uncharacteristic concern for his fellow human beings, Hitler had first tried to cure himself when he was a rising politician in 1929 by poring over medical manuals, coming to the conclusion that a largely… More…