https://www.mayoclinic.org/diseases-conditions/depression/symptoms-causes/syc-20356007
Depression is a mood disorder that causes persistent sadness and loss of interest in normal activities. Learn about the signs, causes and treatments of depression from Mayo Clinic experts.

https://www.healthline.com/health/depression
Depression is a mood disorder that affects your everyday activities and feelings. Learn about the signs, causes, types, and treatments of depression, as well as how to prevent and cope with it.

https://www.psychiatry.org/patients-families/depression/what-is-depression
Depression is a common and serious mental disorder that affects how you feel, think, act, and perceive the world. Learn about the symptoms, risk factors, diagnosis, and treatment options for depression, including medication, psychotherapy, and electroconvulsive therapy.

https://www.nimh.nih.gov/health/topics/depression
Depression is a common but serious mood disorder that affects how a person feels, thinks, and handles daily activities. Learn about the different types of depression, the signs and symptoms, the risk factors, and the treatment options from the National Institute of Mental Health (NIMH).

https://my.clevelandclinic.org/health/diseases/9290-depression
Depression is a mood disorder that causes persistent sadness and changes in how you think, sleep, eat and act. Learn about the different types of depression, how to diagnose and treat it, and how to prevent it.

https://www.who.int/news-room/fact-sheets/detail/depression
Depressive disorder (also known as depression) is a common mental disorder. It involves a depressed mood or loss of pleasure or interest in activities for long periods of time. Depression is different from regular mood changes and feelings about everyday life. It can affect all aspects of life, including relationships with family, friends and

https://www.webmd.com/depression/what-is-depression
Depression is a mood disorder that makes you feel constant sadness or lack of interest in life. Learn about the signs, causes, types, and treatments of depression, and how it can affect your health and well-being.

https://www.medicalnewstoday.com/articles/8933
Depression is a mood disorder that causes persistent feelings of sadness, emptiness, and loss of joy. It can affect anyone and has various types, causes, and treatments. Learn more about depression and how to cope with it.

https://www.nimh.nih.gov/health/publications/depression
Depression is a mental disorder that affects how a person feels, thinks, and functions. Learn about the common signs and symptoms, the different types of depression, how it is diagnosed and treated, and how it can affect people of different ages and backgrounds.

https://psychcentral.com/depression/depression
a persistent feeling of loneliness or sadness. lack of energy. feelings of hopelessness. getting too much or too little sleep. eating too much or too little. difficulties with concentration or

https://www.webmd.com/depression/detecting-depression
Depression, also known as major depressive disorder or clinical depression, is a mood disorder with a group of symptoms including constant sadness or lack of interest in life. Most of us feel sad

https://www.webmd.com/depression/mental-health-depression
Major depression is marked by a combination of symptoms that interfere with the person's ability to work, study, sleep, eat, and enjoy once pleasurable activities. Major depression may occur only

https://www.mayoclinic.org/diseases-conditions/depression/diagnosis-treatment/drc-20356013
Depression generally isn't a disorder that you can treat on your own. But in addition to professional treatment, these self-care steps can help: Stick to your treatment plan. Don't skip psychotherapy sessions or appointments. Even if you're feeling well, don't skip your medications. If you stop, depression symptoms may come back, and you could

https://www.mind.org.uk/information-support/types-of-mental-health-problems/depression/about-depression/
Depression is a mental health problem that involves having a low mood or losing interest and enjoyment in things. It can affect your daily life and cause other changes to how you feel or behave. Learn more about the types, symptoms and possible causes of depression, and how to access treatment and support.

https://www.everydayhealth.com/depression/guide/
Depression may also manifest psychosomatically, meaning that instead of presenting first and foremost as a mood disorder, the dominant symptom may be things like vague aches, dizziness, headaches

https://www.psychiatry.org/patients-families/depression
ver en español. Depression (major depressive disorder) is a common and serious medical illness that negatively affects how you feel, think, act, and perceive the world. Symptoms of depression symptoms can vary from mild to severe and can appear differently in each person. These symptoms can include: Feeling sad, irritable, empty and/or hopeless.

https://www.mayoclinic.org/diseases-conditions/depression/multimedia/vid-20538733
Depression is a mood disorder that causes feelings of sadness that won't go away. Unfortunately, there's a lot of stigma around depression. Depression isn't a weakness or a character flaw. It's not about being in a bad mood, and people who experience depression can't just snap out of it. Depression is a common, serious, and treatable condition.

https://www.apa.org/topics/depression/
Depression is more than just sadness; it is the most common mental disorder. People with depression may also experience altered eating or sleeping habits, lack of energy or motivation, difficulty concentrating or making decisions, and withdrawal from social activities.

https://www.psychologytoday.com/us/basics/depression
Depression is a complex condition, involving many systems of the body, including the immune system, either as cause or effect. It disrupts sleep and it interferes with appetite; in some cases, it

https://www.health.harvard.edu/mind-and-mood/what-causes-depression
Rather, there are many possible causes of depression, including faulty mood regulation by the brain, genetic vulnerability, and stressful life events. It's believed that several of these forces interact to bring on depression. To be sure, chemicals are involved in this process, but it is not a simple matter of one chemical being too low and

https://www.health.harvard.edu/topics/depression
With major depression, there is a profound sadness or a sense of despair. The symptoms of major depression are defined as lasting at least two weeks, but usually they go on much longer. Bipolar disorder (previously called manic depression or manic depressive illness). Bipolar disorder is a mental disorder characterized by wide mood swings from

https://www.webmd.com/depression/default.htm
Depression is a mood disorder with a group of symptoms including constant sadness or lack of interest in life. There are a lot of signs of depression, but you may not have them all. How intense

https://www.who.int/health-topics/depression/
Depressive disorder, or depression, is a common mental health condition that can happen to anyone. It is characterized by a low mood or loss of pleasure or interest in activities for long periods of time. This is different from regular mood changes and feelings about everyday life. Depressive episodes last most of the day, nearly every day, for