The scientific study of bathing and the therapeutic and medicinal effects of baths, especially baths in mineral springs.
From Latin balneum (bath) combined with Greek -logia (study of). The term was formally established in the 18th century as bathing became recognized as having medical applications.
Balneology was actually a hugely respected field of medicine—cultures from Roman times through the Victorian era believed mineral baths could cure everything from arthritis to depression, and spa towns built entire economies around this science!
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