ills, these agents undoubtedly act in many cases "like a
charm," and may be classed as mental curatives.
In recent years, however, efforts have been made to determine whether
certain colored rays of the spectrum were more potent than others
therapeutically. Under the caption "Light-Cures, Old and New," in
"Everybody's Magazine," October, 1902, Arthur E. Bostwick, Ph.D.,
remarks that there was a germ of truth in the blue-glass craze, for it
has recently been shown that the red rays are injuriously stimulative in
eruptive diseases, and of course the blue glass strained these rays out.
It goes without saying that if there were simply health-giving qualities
in the blue rays and no injurious ones in the red and yellow, ordinary
light would be as effective as that which had passed through blue glass;
for the glass introduces no new quality or color into the light; it only
absorbs certain rays of the spectrum, allowing others to pass. If blue
light, therefore, is more healthful than white, it must be because the
remainder of the spectrum has an injurious effect.
An Austrian physician, Dr. Kaiser, has recently asserted, in a paper
read before the Vienna Medical Society, that blue light is effective in
reducing inflammation, allaying pain, and curing skin-disease,
especially by promoting absorption of morbid humors. He asserts that a
beam from a powerful lantern, after passing through blue glass, will
kill cultures of various bacilli, when directed upon them at a distance
of fifteen feet for half an hour daily during six days.
CHAPTER VIII
THE TEMPLES OF ESCULAPIUS
It has been truly said that temples were the first hospitals, and
priests the earliest physicians.[97:1] In the temples of Esculapius, in
Greece, a main object of the various mystic rites was to exert a
powerful influence on the patient's imagination. This was supplemented
by practical therapeutic and hygienic treatment, such as baths, friction
of the skin, and a strict diet. These primitive sanatoria were built in
places carefully chosen for their salubrity of climate and healthful
environment. Doubtless their founders were actuated by a belief that
Esculapius was ever ready to help those who first helped themselves. In
view, therefore, of the superior hygienic conditions, together with
intelligent medical care, it is not surprising that seemingly marvellous
cures should result, especially of impressionable persons affected with
nervous disorders.
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