Here are 10 risk factors for sibling estrangement: 1. Family trauma. Children raised in chaotic, abusive, or neglectful families, run the greatest risk of estrangement, as many are living...

That said, family dynamics do play an important role as the possible causes of strained, non-existent, or deliberately severed ties among adult siblings; following are some of the most common. 1....

CNN: What do people tend to experience after changing or severing a sibling relationship, and how can they cope?

Sibling rivalry is a natural part of growing up, but sometimes those feelings of jealousy or competition can persist into adulthood. Whether it’s over career success, relationships, or other achievements, these negative emotions can create a toxic environment and drive siblings apart.

The causes of sibling estrangement widely vary. They can stem from deep-seated issues originating in childhood, differences in values and lifestyles, or specific events that trigger conflict. Sometimes, the estrangement is mutual. It can often mean that both siblings feel disconnected.