Tree-lined streets may cut city kids' asthma risk
City blocks boasting plenty of trees aren't only more pleasing to the eye; they may be healthier for children's lungs, according to research conducted in New York City. Four- and five-year-olds living along the city's greenest streets were less likely to have asthma than young children living in sparsely planted neighborhoods, Dr. Gina S. Lovasi and colleagues from Columbia University found.