Bryson’s family travels to meet other GRIN1 patients, including Bryson’s GRIN-twin Olivia. And research on mice offers new hope for finding a cure. But a new illness means that the family now needs two medical miracles.

For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/unlocking-bryson-s-brain-transcripts-listen-1.6740317