Abstract
ULTRA-VIOLET light between well-defined wave-lengths is one of the necessary accompaniments of primitive life in natural surroundings the tonic effects of which the human body is not only able to withstand, but without which it suffers a definite want. There can be no objection, therefore, to town-dwellers, during a European winter, who, while not being ‘ill,’ are still often in need of light and its good effects, making use of occasional lightbaths from sources which emit ultra-violet light of moderate intensity. In fact, many such persons have followed this course for some time with considerable benefit, and there is little doubt that others will follow their lead.
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ANGUS, T. Lamps for Light-Baths. Nature 121, 639–641 (1928). https://doi.org/10.1038/121639a0
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DOI: https://doi.org/10.1038/121639a0