The two podcast episodes from 'Stuff To Blow Your Mind' explore the history, cultural significance, and scientific evidence surrounding the purported healing effects of mineral springs, with a focus on examples like the thermal baths at Bath, England and mineral water sources in Uganda.

The episodes examine ancient beliefs about the curative powers of these natural springs, as well as historical records and modern studies that suggest immersion in warm, mineral-rich waters may have aided in removing toxins like lead from the body and mitigating their effects.From the Vault: Washing of the Waters, Part 4 and From the Vault: Washing of the Waters, Part 3.