First and foremost, we recommend you consult your physician before engaging in ANY water therapy. That being said, we often have customers who come in via doctor recommendations. Some of the issues treated include joint pain, stress relief, trouble sleeping, muscle pain, blood pressure regulation & increased circulation, improvement of type 2 diabetes, skin & hair health, mental health, weight loss, insomnia, as well as dealing with chronic pain & fatigue. You don't have to take our customers' word for it, check out these articles on the subject: www.livestrong.com/article/625... www.healthguidance.org/entry/1... This article specifically talks about sleep & type 2 diabetes benefits - www.prlog.org/10311491-the-sur...