Depression (mood)

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Depression (mood)
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Low mood, loss of interest or pleasure, feelings of guilt or low self-worth, disturbed sleep or appetite, low energy, and poor concentration
Complications	Suicide, self-harm, substance abuse
Onset	Typically between ages 20 and 30
Duration	Variable, from weeks to a lifetime
Types	N/A
Causes	Genetics, environmental factors, psychological factors
Risks	Family history, major life changes, trauma, stress
Diagnosis	Based on patient history, mental status examination
Differential diagnosis	Bipolar disorder, anxiety disorders, dementia, hypothyroidism
Prevention	N/A
Treatment	Psychotherapy, antidepressants, electroconvulsive therapy
Medication	Selective serotonin reuptake inhibitors, serotonin–norepinephrine reuptake inhibitors, tricyclic antidepressants
Prognosis	N/A
Frequency	Affects approximately 264 million people worldwide
Deaths	Approximately 800,000 suicide deaths per year

Allegory on Melancholy

Depression may feature sadness, difficulty in thinking and concentration, and a significant increase or decrease in appetite and time spent sleeping. People experiencing depression may have feelings of dejection, hopelessness, and, sometimes, suicidal thoughts. It can either be short term or long term and can manifest in various forms, with varying levels of severity.

Causes

Causes of depression can be complex and are often a combination of genetic, biological, environmental, and psychological factors. Some common causes include:

• Family history: A genetic predisposition to depression can make an individual more susceptible to developing the condition.
• Brain chemistry: Imbalances in neurotransmitters, the chemicals that help regulate mood, can contribute to depression.
• Hormonal imbalances: Changes in hormone levels, such as during pregnancy, postpartum, menopause, or due to thyroid issues, can trigger depression.
• Traumatic or stressful events: Experiencing significant life events, such as the loss of a loved one, a job loss, a divorce, or physical or emotional abuse, can lead to depression.
• Chronic medical conditions: Living with a long-term health problem, such as diabetes, cancer, or chronic pain, can increase the risk of developing depression.
• Substance abuse: Alcohol or drug use can contribute to or worsen depression.

Treatment

Treatment for depression usually involves a combination of psychotherapy, medication, and lifestyle changes. Psychotherapy, such as cognitive-behavioral therapy (CBT), can help individuals identify and change negative thought patterns and behaviors. Antidepressant medications, like selective serotonin reuptake inhibitors (SSRIs), can help regulate mood by balancing neurotransmitter levels in the brain.

Lifestyle changes

In addition to professional treatment, self-care strategies and lifestyle changes can help manage depression:

• Regular exercise: Engaging in physical activity can release endorphins, which can improve mood and overall well-being.
• Healthy diet: Eating a balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats can help support brain function and overall health.
• Sleep hygiene: Prioritizing sleep and maintaining a consistent sleep schedule can improve mood and mental health.
• Stress management: Practicing relaxation techniques, such as deep breathing, meditation, or yoga, can help reduce stress and improve mental well-being.
• Social support: Connecting with friends, family, or support groups can provide emotional support and help combat feelings of isolation.

Summary

Depression is a state of low mood and aversion to activity. Classified medically as a mental and behavioral disorder, the experience of depression affects a person's thoughts, behavior, motivation, feelings, and sense of well-being. The core symptom of depression is said to be anhedonia, which refers to loss of interest or a loss of feeling of pleasure in certain activities that usually bring joy to people. Depressed mood is a symptom of some mood disorders such as major depressive disorder or dysthymia; it is a normal temporary reaction to life events, such as the loss of a loved one; and it is also a symptom of some physical diseases and a side effect of some drugs and medical treatments.

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