Look up! Stop walking around peering at the growth on the palm of your hand.
Mediomania is regarded as a species of insanity allied to hysteria, chorea, etc. It is produced generally by derangement of the sexual organs. Like other disorders, it is susceptible of treatment and cure. The book is interesting, and its conclusions are in accordance with the existing tendencies of scientific thought.
Mediomania has been a recognized problem long before cheap newspapers, radio, television, the Internet, and smartphones.
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The above quote is from Popular Science Monthly, October, 1874, reviewing The Philosophy Of Spiritualism, And The Pathology and Treatment Of Mediomania. Two Lectures, read before the New York Liberal Club, March 20 and 27, 1874. By Frederic R. Marvin, M. D. New York : Asa K. Butts & Co.