Researchers found that among 3,600 kids in a U.S. survey, those who were pushed around by a sibling -- physically or verbally -- had higher scores on a measure of depression and anxiety symptoms.

Can siblings affect mental health?

Siblings indirectly affected by their brother or sister's severe mental illness may experience a complicated range of emotions, many of which are disturbing and stressful and may require extra effort to overcome.

Can your family be the cause of depression?

But it's important to remember that depression doesn't have a single cause. Instead, it's influenced by a variety of factors including genetics, biology, and environment. There may be things family members can do to help, but they alone aren't responsible for causing or fixing it.