Depression is a mood disorder that causes insistent feelings of unhappiness and disinterest. It affects how you feel, think, and behave and can lead to a range of emotional and physical complications. Typical day-to-day activities may be stressful for people with depression. Depression is more than just an occurrence of the blues. It isn't a weakness, and you can’t just “get over it” as some may suggest. Depression may involve long-term treatment. Studies have linked low blood pressure to depression and anxiety.

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