https://www.mayoclinic.org/diseases-conditions/depression/symptoms-causes/syc-20356007
Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems.

https://en.wikipedia.org/wiki/Major_depressive_disorder
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, the term was adopted by the American Psychiatric Association for this symptom cluster under mood disorders

https://my.clevelandclinic.org/health/diseases/24481-clinical-depression-major-depressive-disorder
Clinical depression, also known as major depressive disorder (MDD), is a mental health condition that causes a persistently low or depressed mood and a loss of interest in activities that once brought joy. Clinical depression can also affect how you sleep, your appetite and your ability to think clearly. These symptoms must be present for at

https://www.verywellmind.com/major-depressive-disorder-symptoms-causes-and-treatment-5270926
Major depressive disorder: This is a form of depression where the person experiences symptoms for over two weeks.The symptoms affect their ability to eat, sleep, work, and function. Persistent depressive disorder: Also known as dysthymia, this is a form of depression that lasts for over two years. Perinatal depression: This is a form of depression people experience during pregnancy (known as

https://www.healthline.com/health/clinical-depression
Outlook. Major depressive disorder (MDD), or clinical depression, is a common mood disorder that can affect anyone. Its most prevalent symptom includes persistent sadness and losing the ability to

https://www.webmd.com/depression/major-depression
In addition, according to the DSM-5 -- a manual used to diagnose mental health conditions -- you may have other symptoms with major depression. Those symptoms might include: Fatigue or loss of

https://www.nimh.nih.gov/health/topics/depression
Depression (also known as major depression, major depressive disorder, or clinical depression) is a common but serious mood disorder. It causes severe symptoms that affect how a person feels, thinks, and handles daily activities, such as sleeping, eating, or working. To be diagnosed with depression, the symptoms must be present for at least 2

https://www.psychiatry.org/patients-families/depression/what-is-depression
Depression (major depressive disorder) is a common and serious mental disorder that negatively affects how you feel, think, act, and perceive the world. Nearly three in ten adults (29%) have been diagnosed with depression at some point in their lives and about 18% are currently experiencing depression, according to a 2023 national survey.

https://www.mayoclinic.org/diseases-conditions/depression/diagnosis-treatment/drc-20356013
Other treatment options. For some people, other procedures, sometimes called brain stimulation therapies, may be suggested: Electroconvulsive therapy (ECT). In ECT, electrical currents are passed through the brain to impact the function and effect of neurotransmitters in your brain to relieve depression.

https://www.nimh.nih.gov/health/publications/depression
Depression (also called major depression, major depressive disorder, or clinical depression) is different. It can cause severe symptoms that affect how a person feels, thinks, and handles daily activities, such as sleeping, eating, or working. Depression can affect anyone regardless of age, gender, race or ethnicity, income, culture, or education.

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.hopkinsmedicine.org/health/conditions-and-diseases/major-depression
Slowing of physical activity, speech, and thinking OR agitation, increased restlessness, and irritability. Decreased energy, feeling tired or "slowed down" almost every day. Ongoing feelings of worthlessness or feelings of undue guilt. Trouble concentrating or making decisions.

https://psychcentral.com/depression/major-depressive-disorder
Major depressive disorder, or clinical depression, is a mood disorder with a variety of symptoms. It can be treated and recovery is possible.

https://my.clevelandclinic.org/health/diseases/9290-depression
Depression. Depression is a common mental health condition that causes a persistent feeling of sadness and changes in how you think, sleep, eat and act. There are several different types. Depression is treatable — usually with talk therapy, medication or both. Seeking medical help as soon as you have symptoms is essential.

https://www.healthline.com/health/depression
There are two main types: major depressive disorder and persistent depressive disorder. Major depressive disorder. Major depressive disorder (MDD) is the more severe form of depression. It's

https://www.ncbi.nlm.nih.gov/books/NBK559078/
Major depressive disorder is a highly prevalent psychiatric disorder. It has a lifetime prevalence of about 5 to 17 percent, with the average being 12 percent. The prevalence rate is almost double in women than in men. This difference has been considered to be due to the hormonal differences, childbirth effects, different psychosocial stressors

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.healthcentral.com/condition/major-depressive-disorder
Major Depressive Disorder (Unipolar Depression) Depression can sneak up on you, lowering your mood and harming your quality of life. Recognizing the warning signs—which can vary depending on

https://mcpress.mayoclinic.org/major-depressive-disorder/
Major Depressive Disorder ©GettyImages. Depression is a mental health disorder that results in a feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it can lead to a variety of other issues, both physical and emotional. In this Resource Center, Mayo Clinic Press gives you articles to help you

https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787049/all/Major_Depressive_Disorder
Major depressive episodes are characterized by the triad of low mood, self-attitude, and vital sense. [2] Low mood may manifest as persistent sadness, anxiety, apathy, irritability, or emotional numbness. Low self-attitude may manifest as self-blame, self-deprecation, guilt, lack of self-confidence about the future, or hopelessness.

https://floridabhcenter.cbcs.usf.edu/wp-content/uploads/2021/03/MDD_Adult-Guidelines-2019-2020.pdf
Treatment of Major Depressive Disorder with Psychotic Features Note: Treatment recommendations are based on levels of evidence and expert opinion. For a description of the criteria for each level, see page 4. Conduct comprehensive assessment and use measurement-based care. Refer to Principles of Practice on pages 6-11.

https://www.health.com/depressive-disorder-overview-7100645
Major depressive disorder (MDD): This causes symptoms that last for at least two weeks. Symptoms may include extreme sadness, inability to carry out daily tasks, hopelessness, and a loss of

https://www.health.com/condition/depression/types-of-depression
4. Bipolar Disorder. Swings in mood and energy, from elation to hopelessness, are the signatures of depressive episodes in bipolar disorder. A person must have experienced at least one bout of

https://www.apa.org/depression-guideline/guideline.pdf
Burden of Disease Collaborators, 2013). Major depressive disorder is . characterized by a depressed mood (or irritability in children) or loss of pleasure or interest for at least 2 weeks (American Psychiatric Association, 2013). It is also accompanied by at least three (for a total of at least five) of the following symptoms present most days

https://www.medicalnewstoday.com/articles/major-depressive-disorder-vs-persistent-depressive-disorder
Summary. Persistent depressive disorder (PDD) and major depressive disorder (MDD) are two forms of depression. Some symptoms may overlap, and doctors may use similar approaches for the diagnosis

https://psychcentral.com/health/all-about-mood-disorders
Major depressive disorder is one of the most common mood disorders, affecting an estimated 17.3 million adults in the United States annually. Other mood disorders Mood disorder due to medication

https://www.healthgrades.com/find-a-doctor/tennessee/best-doctors-for-major-depressive-disorder-in-maryville
There are 24 doctors who treat Major Depressive Disorder in Maryville. Find the best for you: Dr. James Kennedy, MD. 4.3 Rated 4.3 out of 5 stars, with (19 ratings) 907 E Lamar Alexander Pkwy Maryville, TN 37804. Dr. Nalini Samavedy, MD. 5.0 Rated 5.0 out of 5 stars, with (1 rating)

https://publichealth.jhu.edu/2024/understanding-sleep-activity-and-circadian-rhythms-in-major-depressive-disorder
A new study in JAMA Psychiatry aimed to understand how sleep, physical activity, and circadian rhythms relate to major depressive disorder (MDD). The study included adults with both current MDD and those with a history of MDD but who were symptom-free at the time of the study (remitted MDD). MDD is a serious mental health disorder with symptoms

https://www.medscape.org/viewarticle/major-depressive-disorder-case-queries-where-do-rapid-acting-2024a1000azr/1
Major Depressive Disorder Case Queries: Where Do Rapid-Acting Therapies Fit Into Care? Authors: Sagar V. Parikh, MD, FRCPC Faculty and Disclosures. CME / CE Released: 06/14/2024 Valid for credit through: 06/14/2025.

https://www.nature.com/articles/s41591-024-03057-9
χ 2 tests revealed that the frequency of major depressive disorder was significantly different across biotypes (two-sided χ 2 = 24.235, P = 0.0002). We used the same biotype nomenclature as