LEXINGTON, Kentucky, May 11 (TNSres) -- The International Spa Association issued the following news release on May 10, 2023: The International SPA Association (ISPA) released the findings of the 2023 ISPA U.S. Spa Industry Study, which indicate continued industry growth after the previous year's initial recovery from a COVID-era downturn. The ISPA Foundation commissioned PricewaterhouseCoopers (PwC) to conduct the study. The U.S. Spa Industry Study presents the "Big Five" spa industry statisti  more