A diseased kidney depends particularly upon the skin for succor
more than any other organ. When the kidneys from any cause fail
to act the skin comes to their rescue and throws off impurities
which nature intended should go by the renal route. For this
reason diabetes and albuminuria, the most stubborn of all kidney
diseases, are usually benefited by a dry, warm climate. The
benefit derived is due to an increase of the insensible
transpiration rather than to profuse perspiration. The air of
Arizona is so dry and evaporation so rapid that an increase in
perspiration is scarcely noticeable except when it is confined by
impervious clothing. The disagreeable feeling of wet clothes
which accompanies profuse perspiration in a damp climate is
changed to an agreeable sensation of coolness in a dry one.
The atmosphere of Arizona is not only dry but also very
electrical, so much so, indeed, that at times it becomes almost
painful. Whenever the experiment is tried, sparks can be
produced by friction or the handling of metal, hair or wool. It
affects animals as well as man, and literally causes "the hair to
stand on end." The writer has on various occasions seen a string
of horses standing close together at a watering-trough, drinking,
so full of electricity that their manes and tails were spread out
and floated in the air, and the long hairs drawn by magnetic
attraction from one animal to the other all down the line in a
spontaneous effort to complete a circuit.
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