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Study: More Trees Improve Health

Trees clean the air, provide shade, and reduce climate changing emissions. And, says environmental neuroscientist Marc Berman, they also improve the health of people who live near them. "I’m very interested in how the physical environment affects the brain and behavior,” says Berman, an associate professor of psychology at the University of Chicago. His study of the effect of urban trees, published in the journal Nature, merged tree data and health surveys from 31,000 residents of...

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