Doctor Detectives Take on Rare Diseases

6 min
Chase Miller (L), 5, and his brother Carson (R), 7, both have a degenerative brain disease called MEPAN syndrome. (Andrew Ross-Perry)

Individual rare diseases are very uncommon, but taken together into a single category, they afflict one in 20 people. All across the country, teams of medical sleuths are cracking these mystery cases and providing hope for families including some right here in the Bay Area.

Read Lesley McClurg's story about Chase and Carson Miller.

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