@CNN: A 71-year-old woman who feels no pain could help scientists develop new painkillers https://t.co/O0B7quh78m https://t.co/UfcMMoavRb

@CNN: A 71-year-old woman who feels no pain could help scientists develop new painkillers https://t.co/O0B7quh78m https://t.co/UfcMMoavRb