Better think twice before soothing those aching muscles in a whirlpool bath or hot tub . a new study shows that whirlpool bathtubs can be a breeding ground for a host of disease - causing bacteria 但美国一项最新研究显示,涡流按摩浴缸可成为有害细菌的孳生地,因此那些按摩浴钟爱者最好对这个问题进行重新考虑。