40.2 MB (1.7 MB compressed)
4384 x 3204 pixels
37.1 x 27.2 cm ⏐ 14.6 x 10.7 in (300dpi)
DAVID LEAH / SCIENCE PHOTO LIBRARY DAVID LEAH / SCIENCE PHOTO LIBRARY
Dr Ignacio Madrazo examining a man suffering from Parkinson's disease, at La Raza hospital, Mexico. In september 1987, Madrazo's collaborative research with Dr Rene Drucker resulted in the transplantation of brain tissue from an aborted fetus into the brain of a person suffering from Parkinson's disease - with a subsequent claim of improvement in symptoms. Victims of Parkinson's disease have great difficulty in controlling their movement, due to a failure in the production of dopamine, a chemical required by one of the brain's motor control centres. Grafting of dopamine-containing foetal cells is intended to restore the deficiency.
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