Columbus, Ohio, April 25, 1906.
To the Editor:
—The number of diseases produced by occupation is being augmented by the complexity of modern life. Medical men are acquainted with the ordinary forms of occupation diseases, such as the necrosis of match-makers, the cataract of blacksmiths, the colic of painters and the like.I wish to call attention to a disease of this class of recent origin. The new disease is so prevalent as to have attracted the attention of many physicians, and I learned from The Journal, April 21, that not a few physicians have had a personal experience. The new disease is a functional neurosis and spreads through a community, like chorea, by imitation.The disease is known as motor fever, chauffeur mania and automobiliousness. The spread of the disease is limited only by the confines of civilization and the quarantine enforced by poverty. The disease has followed the