Brain scans can identify depression before it starts

Researchers at MIT's McGovern Institute are using the latest advances in brain imaging to identify children at high risk of depression before the debilitating and sometimes deadly disorder sets in.

According to the World Health Organization an estimated 350 million people of all ages suffer from depression. It's a serious mental disorder that affects every aspect of a person's life and in severe cases could lead to suicide.

The study involved two groups of children, one at high risk of depression due to family history and a control group with kids at low risk.

Kids from both . . .