Where does depression come from? Why is it classified as a disease?
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TL;DR: a disease/disorder is when something in the human body isn’t working how it’s supposed to and it’s negatively impacting the person. Depression is exactly that.
Whether it’s breathing, eating/digestion, moving around, or our moods and emotions, there isn’t a single process in the human body that isn’t controlled by some combination of chemical and electrical signals.
Clinical depression is considered a disease/disorder because it’s a situation where those chemical and electrical signals that are supposed to regulate mood are not firing off along the proper pathway.
Because of those issues with the signal pathway, a person either experiences sadness in situations where they normally wouldn’t or experiences way more sadness than would be appropriate in situations where they might only need to be a little sad. Either case can take a toll and really impact someone’s quality of life.
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