A Fragile X Treatment May Be On The Horizon

Katie Clapp and Michael Tranfaglia's son was born with a genetic disorder that affects brain development. It makes it hard to learn language and basic daily tasks and often is accompanied by a host of other disorders. To help find a cure, they started a foundation and raised research money. After several setbacks, one treatment is showing promise. NPR neuroscience reporter Jon Hamilton tells Emily Kwong the story.

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