Stem cells are the building blocks of life. With the potential to grow into any type of tissue in the body, they seem to offer hope for patients with nowhere else to turn. Patients with muscular dystrophy, Parkinson's and severed spinal cords are travelling thousands of miles and spending thousands of dollars on stem cell treatments - even though they know there is no guarantee of a cure.
PART 1
In this documentary produced for the BBC World Service, Matthew Hill travels to India to report on the private clinics there that offer costly and often not widely tested stem cell therapies.
PART 2
The BBC’s Matthew Hill continues his report on stem cell therapies that critics claim target vulnerable patients. Advocates say that public trust has to be won through clear and transparent research.
THE CHANGING WORLD is the sister documentary series of PRI's The World. Each week, we offer American radio listeners two in-depth documentaries from the BBC World Service that probe issues critical to our understanding of our evolving world.