[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
August 18, 1956


Author Affiliations

New York

Assistant Professor of Dermatology, Columbia University, College of Physicians and Surgeons.

JAMA. 1956;161(16):1565-1567. doi:10.1001/jama.1956.62970160003011

For centuries, men have recognized the therapeutic action of sunlight and have taken for granted that sunbathing increases man's energy and sense of well-being. Heliotherapy, however, was first advocated toward the end of the 18th century by Faure for chronic ulcers of the skin and by Chauvin for relief from apathy and anemia.

In 1877 Downs and Blunt discovered the bactericidal action of sunlight, and at the end of the century Finsen established that this action, as well as the production of sunburn, was caused by the invisible ultraviolet rays of the sun. With artificial light that imitated the solar spectrum and with sunlight, he and Bernhard pioneered in the successful treatment of diseases of the skin and other organs. In the 20th century the biochemical and physical properties of sunlight have been determined.

Apparently the conservative or rational use of sunlight or its artificial substitutes is healthful to most

First Page Preview View Large
First page PDF preview
First page PDF preview