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Clue Found to Cognitive Problems in Preemie Boys

Researchers have known that boys born prematurely are at a greater risk for developmental and cognitive problems than girls. A new study in the Journal of Pediatrics finds an intriguing reason why. Premature boys, by age 8, have less white matter -- the material that allows different parts of the brain to communicate with each other. NPR's Michelle Trudeau reports.

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Michelle Trudeau began her radio career in 1981, filing stories for NPR from Beijing and Shanghai, China, where she and her husband lived for two years. She began working as a science reporter and producer for NPR's Science Desk since 1982. Trudeau's news reports and feature stories, which cover the areas of human behavior, child development, the brain sciences, and mental health, air on NPR's Morning Edition and All Things Considered.