In the cave mines there are tenfold less bacteria in the air than in the most sterile room in a hospital, so it also helps people
with skin problems. Again, 300 meter deep, but the temperature here
stays pretty much the same the whole year round – around 22 Celsius.
For decades, hospitals have sent patients suffering from
asthma, hay fever type allergies and various bronchial blockages to spend time
in the dark and humid galleries of the mine, where the salt-permeated air is
believed to have decongestant and curative qualities.
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Source: Ultra Facts