By Jenny Gold
September 19, 2016

Kieley Parker never imagined she would need an antidepressant. “I always win those stupid sunshine and happiest person awards. People see me as an incredibly joyful person,” she said.

But in fall 2014, Parker left her job as a third-grade teacher and moved to Tulsa, Okla., with her fiancé. Starting over in a new city was an enormous transition. “I couldn’t feel joy or even negative emotions like sadness. I couldn’t eat — I lost 25 pounds,” Parker recalled. “I was just anxious, which spiraled into depression.”