Medicine: Mustard Plaster v. Light

Astounding it was to U. S. physicians, patients and therapeutic lamp manufacturers to learn that the British Medical Research Council last week decried the use of light treatments. There are two general kinds of light used in medicine—heat-producing, generated by carbon filaments; and ultraviolet ray (artificial sunlight) producing, generated by a carbon arc, by a mercury arc, or by special filaments lighting through quartz. Undoubtedly such lights have done good. This is particularly so of the ultraviolet light, used to overcome rickets by direct exposure of puny children.

Yet the British Medical Research...

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