Abstract
THIS small volume gives a popular account of the physics and therapeutic uses of light, with special reference to the ultra-violet rays. The text is in a conversational and simple style, and although certain details refer more especially to the continent of America, it can be recommended for perusal by anyone who wishes to have some knowledge of the uses and abuses of a much-advertised remedy. The author gives simple instructions for sun-bathing and points out the dangers of over-exposure: burning the skin is deleterious and unnecessary as a prelude to a becoming tan. He also points out the advantage of exposure to sunlight or skyshine in the open air with the accompanying effect of the cooling power of the air on the skin resulting in stimulation of metabolism and benefit to health. For those who wish to expose their skin to ultra-violet rays during the winter, directions for time of exposure and distance from the lamp are given. In conclusion, this is a sane and readable account of a natural remedy which many are inclined to take in excessive doses.
Sunrays and Health.
By Prof. Ronald Millar, in collaboration with Dr. E. E. Free. Pp. vii + 125. (New York: Robert M. M'Bride and Co., 1929.) 1.50 dollars.
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Sunrays and Health . Nature 124, 873 (1929). https://doi.org/10.1038/124873d0
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DOI: https://doi.org/10.1038/124873d0