Depression and seasonal affective disorder (SAD) share similar symptoms, but depression can occur at any time of the year, while SAD follows a recurring seasonal pattern. For a SAD diagnosis, a person ...

Depression is often associated with persistent sadness, but the condition can manifest in other ways. Difficulty concentrating and changes in appetite, for example, can stem from depression regardless ...

It can be hard to tell sadness and depression apart when you are in the middle of a very sad time in your life. What a lot of people forget is that sadness, even deep sadness that lasts for a few ...