Living with rheumatoid arthritis (RA) can significantly affect your mobility and quality of life. Many people turn to therapies and treatments, including soaking in a hot tub, to relieve symptoms.

GLADSTONE, Mo. – As Mike Costelow started up the hot tub in the backyard of his home, his voice was quickly drowned out by the noise. “It does still work, but the bearings are going out,” said ...