Mothers bear much of the burden for a child’s healthy development, from pregnancy through their teen years. But a large, new study adds to the growing body of evidence saying fathers, too, are responsible for the types of development that help children grow physically, emotionally and cognitively. Fathers’ mental distress is slightly associated with subpar child development, including cognitive, social-emotional, language and physical development, according to the study published recently in the journal JAMA Pediatrics. The researchers defined mental distress as symptoms or a diagnosis of depression, anxiety, a mix of both or stress. The findings were especially true in