The Therapeutics of Radiant Light and Heat and Convective Heat.

This manual of 110 large octavo pages is devoted to the therapeutic application of the various forms of radiant energy. It is hard to classify some of the books on the therapeutics of radiant energy. They are not entitled to be classed as fiction; neither are they narratives of facts as the unenthusiastic observer sees them. The authors will assume some law of "harmonic vibration" or something of that kind, and then from such premises will by deduction arrive at a system of physical therapeutics. Pathology does not play a very important part in such systems, but they are strong on the influence of various "modalities" on molecules and cells and metabolism. The style usually suggests that in which other systems of therapeutics, most of them of lamented memory, were set forth with their enthusiasm, their innocent superiority to critical analysis, and their unbounded love for panaceas.

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