So we don't know what causes depression, but we do know that stress is the initial trigger in 80 percent of cases, and depression and PTSD are different diseases, but this is something they share in common.
Non sabemos qué causa a depresión, pero si que o estrés é a causa inicial no 80 por cento dos casos, e a depresión e o estrés postraumático son doenzas distintas, pero isto é algo que comparten.