speleotherapy
n.— «Being sent to the salt mines was a fate worse than death for dissidents in the old Soviet Union—now they’re being used to cure kids of asthma. Children are sent to Solotvino, Ukraine, to spend a few hours a day 900ft underground over a three-month period. The method known as speleotherapy—is not backed by scientists.» —“Take A Deep Breath—Salt Mine Is Asthma Cure” Daily Record (Glasgow, Scotland) Nov. 14, 2005. (source: Double-Tongued Dictionary)