Bipolar disorder is a mental illness that causes dramatic shifts in a person’s mood, energy and ability to think clearly. People with bipolar experience high and low moods—known as mania and depression—which differ from the typical ups-and-downs most people experience.Symptoms and their severity can vary. A person with bipolar disorder may have distinct manic or depressed states but may also have extended periods—sometimes years—without symptoms. A person can also experience both extremes simultaneously or in rapid sequence.
Depressive disorder, frequently referred to simply as depression, is more than just feeling sad or going through a rough patch. It’s a serious mental health condition that requires understanding and medical care. Left untreated, depression can be devastating for those who have it and their families. Fortunately, with early detection, diagnosis and a treatment plan consisting of medication, psychotherapy and healthy lifestyle choices, many people can and do get better.
Some will only experience one depressive episode in a lifetime, but for most, depressive disorder recurs. Without treatment, episodes may last a few months to several years.
Major Depressive Disorder with a Seasonal Pattern (formerly known as seasonal affective disorder, or SAD) is characterized by recurrent episodes of depression in late fall and winter, alternating with periods of normal mood the rest of the year. The key to an accurate diagnosis of this condition is recognizing its pattern. Symptoms usually begin in October/November and subside in March/April. Some people begin to experience a “slump” as early as August, while others remain well until January. Regardless of the time of onset, most people don’t feel fully “back to normal” until early May.
For a diagnosis to be made, this pattern of onset and remission must have occurred during at least a two-year period, without the occurrence of any non-seasonal episodes during that same period.
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