Our Ask the Therapist columnist, Lori Gottlieb, advises a reader whose sibling moved away and then canceled a family trip.

You spent your childhood with your parents and siblings—maybe even a cousin or grandparent—but can you honestly say you know who your relatives are as people? The truth is, you probably didn’t bother ...

Sibling estrangement can be a wrenching, devastating experience, as a brother or sister must adjust to life without a crucial family member. Or, if the relationship was toxic, it can be liberating.

Add Yahoo as a preferred source to see more of our stories on Google. Siblings can have both a positive and negative impact on your mental and physical health, studies show. (Getty Images) (spfoto via ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Sibling rivalry is a common occurrence within families, ...