Click the links below for further spa information.... A history of spa Health and beauty benefits of spa Hot tub use may increase miscarriage risk Hot tubs hurt male fertility, UCSF study shows Indoor Hot Tubs Found to be Source of Lung Disease The good, the bad and the steamy Dog's best friend: 'sick as a dog' takes on a new meaning in Thailand, where the king has opened a hydrotherapy pool for ailing pooches