“I was amazed at the result,” said Martha Dyer, an art therapist in Durham. “Everyone was laughing in five minutes. It was very uplifting.”

Raymond Barfield, an associate professor of pediatric oncology at Duke University Medical Center, said the kids he treats not only have to deal with pain in their cancer treatments but also boredom and fatigue. Barfield said the exercises could be useful in helping them recover.

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