Anyone who’s ever watched the willful grip of depression overpower a spouse or partner knows what a frustrating, even frightening, experience that can be. It presents you with an uneasy trio of challenges: a) establishing whether your loved one is, …

Judy Walters was starting up her Acura Integra when the panic struck. Suddenly terrified that her brakes would fail, she drove to a mechanic, breath short and heart racing. To her surprise, the brakes were fine. “It was me,” she …