Dylan Siegel was 6 years old when he hatched a plan to cure his best friend's rare disease. He ended up raising more than $1 million. Erika Lantz of the Kind World series brings us their story. Now for a story about a friendship between two boys in Los Angeles. One has an incurable disease and the other one has an ambitious plan to help him. Reporter Erika Lantz of WBUR has the story of Jonah Pournazarian and his friend Dylan Siegel. Here's Jonah.

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