When a psychologist who studies well-being ends up with a brain tumor, what happens when she puts her own research into practice? Christina Costa goes beyond the "fight" narrative of cancer -- or any formidable personal journey -- to highlight the brain benefits of an empowering alternative to fostering resilience in the face of unexpected challenges: gratitude.

Originally released by TED, 2021. Streaming video file encoded with permission for digital streaming by Infobase on June 13, 2023.