Everyone feels "sad" or "blue" on occasion; however, if those feelings interfere with daily life activities, it may be time to reach out for help.  Depression is the most prevalent mental health disorder. According to the National Institute of Mental Health, approximately 17 million adults in America suffer from depression during any one-year period.

Depression is a highly treatable disease and, with the appropriate care of a physician or a licensed mental health professional, many people feel better. Unexpressed feelings and isolation will only worsen a depression. 

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Depression can be caused by several factors such as genetics, body chemistry and situational factors; most likely depression is caused by a combination of the above factors. While depression can run in families, it's important to realize that people with no family history also are diagnosed with depression every day. There also are different kinds of depression.

Depression Warning Signs

Brain-imaging technologies, such as magnetic resonance imaging (MRI), have shown that brains of people with depression look different than those brains of people without depression.  Like other illnesses, depression often occurs with other illnesses. Some of these illnesses may come on before the depression, others can cause the depression and still others are a consequence of depression. Illnesses associated with depression include:

Depression and Suicide

Major depression is the psychiatric diagnosis most commonly associated with suicide. Statistics show that approximately 75 percent of people that complete suicide are depressed at the time of their deaths. The risk of suicide in people with major depression is about 20 times higher than the general population. As stated above, people with a diagnosis of major depression are likely to experience multiple periods of depression in their lives. These people are at a higher risk of suicide than those who have had only one episode of depression. People with depression will often use drugs or alcohol to "self-medicate" their feelings of depression rather than talk to a doctor or mental health provider. These people also are at a higher risk of suicide.

Treatment and depression

Depression is a highly treatable disease. Some sources will say that up to 80 percent of the time treatment for depression is effective. However, the World Health Organization states that less than 25 percent of people with depression receive adequate treatment. Medications can be very helpful in reducing the symptoms of depression in some people. Some people prefer psychotherapy instead of medications, especially if their depression is mild. The most often recommended as the best course of treatment is medication with psychotherapy.  It is important to talk to your doctor about all types of treatment.

Depression and gender

Depression is more common among women than in men. Researchers believe the higher rate in women is in part due to biological, life cycle, hormonal and psychosocial factors that women experience. Hormones directly affect the brain chemistry that controls emotions and mood. Another factor that plays into women being diagnosed more than men is women are more likely to seek help and see a professional to receive a diagnosis. Women often experience depression with feelings of sadness, worthlessness and excessive guilt. Men tend to experience depression by being very tired, losing interest in once pleasurable activities and having a difficulty sleeping. Men may also be more likely to turn to drugs or alcohol when depressed.

How to help yourself

Because of lack of energy and feelings of indifference and hopelessness, it may be hard to take action to help yourself. However, being aware of your emotions and feelings can assist you in doing this. Below are some other ideas to help:

Helping someone you care about

Support and involvement of family and friends can play a crucial role in helping someone who is depressed.  These people can be a great resource by encouraging the person with depression to stick with treatment and practice the coping skills he or she is learning.

Living with someone with depression can be difficult on family and friends. It is often hard to watch your loved one suffer from depression and can bring about feelings of helplessness and loss in the support system. It is important to realize your emotions as well and to take a break to do healthy activities you enjoy. You also may find psychotherapy helpful. Some families will participate in therapy together, while others prefer to have individual therapy with different therapists. There is not a wrong way to get therapy for yourself and family member; however, you need to decide what works with your family.

Information adapted from the National Institute of Mental Health, American Association of Suicidology and the American Psychological Association.