• The peripheral nervous system is responsible for pain, temperature and itch perception. This means that how a person's nervous system cells react and respond to stimuli, can be determined from his blood.
  • Currently, scientists and physicians have a limited understanding of the complex issue of pain and how to treat it. The problem is that unlike blood, a skin sample or even a tissue biopsy, you can't take a piece of a patient's neural system. 
  • "Now we can take easy to obtain blood samples, and make the main cell types of neurological systems -- the central nervous system and the peripheral nervous system -- in a dish that is specialized for each patient," said Bhatia. "Nobody has ever done this with adult blood. Ever.

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