Medical tourism brings in resources that allow researchers in locations such as India and Thailand to test new therapies. It's all very much caveat emptor, as for any buying decision, but the end product of this industry informs more rigorous and costly development. Take this news from MedIndia.com: "A premier hospital in the southern Indian state of Karnataka claims to have made a major breakthrough in the treatment of Parkinson's disease utilizing the stem cell therapy. ... the patient's bone marrow was harvested at the regenerative medicine department and the mesenchymal stem cells were injected into the part of the brain, which was affected because of Parkinson's disease. ... The successful recovery of the patient would give hope to scores of Parkinson's cases which affects one per cent of the population. ... However, we need to observe the long term clinical effects in larger number of patients to decide whether it is primary or secondary or supplementary treatment option for degenerative disorders."