The health of U.S. children has deteriorated over the past 17 years, with kids today more likely to have obesity, chronic diseases and mental health problems like depression, a new study says. Much of what researchers found was already known, but the study paints a comprehensive picture by examining various aspects of children’s physical and mental health at the same time. “The surprising part of the study wasn’t any with any single statistic; it was that there’s 170 indicators, eight data sources, all showing the same thing: a generalized decline in kids’ health,” said Dr. Christopher Forrest, one of the...