UCLA “We hoped the intervention would improve outcomes, but we had no idea it would be so effective,” said Dr. Steven Mittelman, chief of pediatric endocrinology at UCLA Mattel Children’s Hospital. Low-calorie diet and mild exercise improve survival for young people with leukemia Those participating in the intervention were 70% less likely to have detectable cancer cells after one month of treatment Low-calorie diet and mild exercise improve survival for young people with leukemia Those participating in the intervention were 70% less likely to have detectable cancer cells after one month of treatment UCLA “We hoped the intervention would improve outcomes, but we had no idea it would be so effective,” said Dr. Steven Mittelman, chief of pediatric endocrinology at UCLA Mattel Children’s Hospital.