Children's mental health covers a wide range of disorders. Some, such as ADHD and autism, tend to manifest themselves when children are young, while others, such as depression and addiction, are more likely to appear during the teenage years. Some respond readily to treatment or tend to improve as children grow older, while others, such as autism,…

Jane Waldfogel, Terry-Ann Craigie, and Jeanne Brooks-Gunn review recent studies that use data from the Fragile Families and Child Wellbeing Study (FFCWS) to examine why children who grow up in single-mother and cohabiting families fare worse than children born into married-couple households. They also present findings from their own new research.…