DEAR DR. GOTT: I am wondering if there is a test for depression. I’m always lethargic and drained, even though I get regular sleep and eat well. I was told by someone that there are two reasons for being tired — too little rest and depression. I get enough sleep but have been incredibly sad for years.
DEAR READER: Your brief inquiry could require far-reaching answers, since there is no single known cause for depression, which can be mild or so severe it heavily affects a person’s ability to function from one day to the next. It is my guess that you have never spoken with a physician about your concerns. If this is the case, you join the vast majority of people who never seek medical treatment.
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