Since depression manifests differently from person to person, many people may go undiagnosed. Depression may not always present as suicidal thoughts and deep sadness but can also be a lack of motivation, disrupted sleep, or even a change in eating habits. One way of knowing is completing a focused questionnaire designed to measure depression such as the MADRS-s.
This survey can give insight into depression and also monitor changes. Download the app and take the quiz to see if Flow is for you.