There are more than 50 centres in India delivering this kind of yoga therapy to patients.

Dr. Payne said that in yoga therapy he works with clients for three to six sessions and then gives them a program they can follow at home.

Enter yoga therapy, an emerging field in the United States, although commonplace in India.

But experts inside and outside the industry say yoga therapy should be approached with caution.

I've seen some strange things done in the name of yoga therapy.

But it's unclear how many offer yoga therapy, said Cary Wing, the executive director of the Medical Fitness Association, a nonprofit group.

Some of the research efforts at Sambhavna focus on demonstrating the efficacy of yoga therapy in management of gas exposure symptoms.

Four objective studies have been conducted on the positive effects of yoga therapy within the patient population at the Clinic.

Advocates of yoga therapy agree that it does not cure or treat disease.

It is also instructed as a self-healing yoga therapy in Ayurveda.