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Depression is a serious medical illness that involves the brain. It's more than just a feeling of being "down in the dumps" or "blue" for a few days. If you are one of the more than 20 million people in the United States who have depression, the feelings do not go away. They persist and interfere with your everyday life. Symptoms can include

  • Sadness
  • Loss of interest or pleasure in activities you used to enjoy
  • Change in weight
  • Difficulty sleeping or oversleeping
  • Energy loss
  • Feelings of worthlessness
  • Thoughts of death or suicide

Depression is a disorder of the brain. There are a variety of causes, including genetic, environmental, psychological, and biochemical factors. Depression usually starts between the ages of 15 and 30, and is much more common in women. Women can also get postpartum depression after the birth of a baby. Some people get seasonal affective disorder in the winter. Depression is one part of bipolar disorder.

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Results 1 - 10 of 3,029 for depression
  1. Depression (National Library of Medicine)  
    Depression is a serious medical illness that involves the brain. It's more than just a feeling of ... million people in the United States who have depression, the feelings do not go away. They persist ...
  2. Postpartum Depression (National Library of Medicine)  
    ... do not need treatment. The symptoms of postpartum depression last longer and are more severe. You may ... treatment right away, often in the hospital. Postpartum depression can begin anytime within the first year after ...
  3. Seasonal Affective Disorder (National Library of Medicine)  
    ... disorder, or SAD. SAD is a type of depression. It usually lifts during spring and summer. Not ...
  4. Depression - major; Depression - clinical; Clinical depression; Unipolar depression; Major depressive disorder ... Doctors do not know the exact causes of depression. It is believed that chemical changes in the ...
  5. PDD; Chronic depression; Depression - chronic ... The exact cause of persistent depressive disorder (PDD) is unknown. It tends to run in families. PDD occurs more often in women. Most people with PDD will also ...
  6. Psychotic depression; Delusional depression ... is unknown. A family or personal history of depression or psychotic illness makes you more likely to ...
  7. Depression - postpartum; Postnatal depression; Postpartum psychological reactions ... The exact causes of postpartum depression are unknown. Changes in hormone levels during and after pregnancy may affect a woman’s mood. Many non-hormonal factors may also ...
  8. Caregiving and Depression (Family Caregiver Alliance)  
    ... Form - A A + A You are here Home Depression and Caregiving Order this publication Printer-friendly version ... a more serious depression over time. Symptoms of Depression People experience depression in different ways. Some may ...
  9. St. John's Wort and Depression From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    ... about external links Menu St. John's Wort and Depression On this page: Introduction Key Points About Depression ... help ensure coordinated and safe care. Top About Depression Depression is a medical condition that affects about ...
  10. Time to Talk: 5 Things to Know about St. John's Wort and Depression From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    ... Things To Know About St. John’s Wort and Depression St. John’s wort , a plant that grows in ... mental health conditions and is widely prescribed for depression in Europe. However, current evidence for using St. ...
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