Uranium sand houses, where patients would sit on benches in a round room that had a floor composed of mildly radioactive sand (usually beach sand with crushed minerals like Carnotite). These were popular in Utah, New Mexico, and Colorado during the 1950s.
Lying in a narrow box with sands that reputedly contained uranium ore was promoted as a treatment for arthritis, bursitis, and rheumatism as late as 1956.
^Macklis, R. M. (1990). "The radiotoxicology of Radithor. Analysis of an early case of iatrogenic poisoning by a radioactive patent medicine". JAMA: The Journal of the American Medical Association264 (5): 619–621. doi:10.1001/jama.264.5.619. ISSN0098-7484.
^Goldsmith, Barbara (2005). Obsessive Genius: The Inner World of Marie Curie. W. W. Norton & Company. pp. 119–120. ISBN0-393-05137-4.
^Matricon, Jean; Waysand, G. (2003). The Cold Wars: A History of Superconductivity. Rutgers University Press. p. 113. ISBN0-8135-3295-7.