Interest
Proportion of Hacker News items mentioning "spa" over time.
Mentions
Total number of Hacker News items mentioning "spa" over time.
A spa is a location where mineral-rich spring water is used to give medicinal baths. Spa health treatments are known as balneotherapy. The belief in the curative powers of mineral waters and hot springs goes back to prehistoric times. Spa towns, spa resorts, and day spas are popular worldwide, but are especially widespread in Europe and Japan. Read more on Wikipedia