What are siblings but the co-stars of your family life? The relationships between brothers and sisters are inherently rich narratives, so it's no wonder that there are plenty of great movies about ...

Parents try everything to influence their children. But new research suggests brothers and sisters have their own profound impact. Credit...Artwork by Kensuke Koike Supported by By Susan Dominus Susan ...

Modern research echoes Adler’s theses. In simple terms, siblings differentiate themselves to reduce direct competition. If one child becomes the “responsible one,” another may lean into creativity or ...