Grief is something we all experience at different stages of life, even more so during this pandemic. But what happens when you must mourn the loss of your own child? CNN journalists Andrew Kaczynski and René Marsh received terrible diagnoses within months of each other: their infant children had brain tumors. Yet in the midst of great tragedy, they found strength in chasing a cure for others. So in honor of Childhood Cancer Awareness Month, Dr. Sanjay Gupta shares the great strides being made in the fight against pediatric cancer through the passionate commitment of parents, doctors and healthcare advocates.

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