depression
Depression is a common, serious mood disorder characterized by persistent sadness, loss of interest in activities, and low energy, lasting at least two weeks. It severely impacts daily life, affecting thoughts, behavior, and physical health. Effective treatments include therapy and medication.
NZ Mental Health Foundation
NZ Mental Health Foundation
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Symptoms of Depression
Symptoms, which must last at least two weeks, often include:
National Institute of Mental Health (NIMH) (.gov)
National Institute of Mental Health (NIMH) (.gov)
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Mood: Persistent sad, anxious, empty, or irritable mood.
Behavior: Loss of interest in hobbies, social withdrawal, and reduced energy or fatigue.
Cognitive: Feelings of worthlessness, guilt, helplessness, or difficulty concentrating.
Physical: Changes in appetite (weight loss/gain), sleep disturbances (insomnia/sleeping too much), and unexplained aches or pains.
Severe cases: Thoughts of death or suicide.
Healthify
Healthify
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Causes and Risk Factors
Depression results from a complex interaction of factors, rather than a single cause:
NZ Mental Health Foundation
NZ Mental Health Foundation
Biological/Genetic: Brain chemistry imbalances, hormonal changes, or a family history of depression.
Environmental/Psychological: Trauma, chronic stress, loss of a loved one, or difficult life circumstances.
Medical/Lifestyle: Chronic illness, certain medications, and substance misuse.
NZ Mental Health Foundation
NZ Mental Health Foundation
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Types of Depression
Common types include:
National Institutes of Health (.gov)
National Institutes of Health (.gov)
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Major Depressive Disorder (Clinical Depression): Intense, persistent sadness and loss of interest.
Persistent Depressive Disorder (Dysthymia): A milder, chronic depression lasting for years.
Premenstrual Dysphoric Disorder (PMDD): Severe depression linked to the menstrual cycle.
Perinatal/Postpartum Depression: Depression occurring during or after pregnancy.
Seasonal Affective Disorder (SAD): Depression related to changes in seasons.
Long-Term Effects
If untreated, depression can lead to significant issues, including:
NZ Mental Health Foundation
NZ Mental Health Foundation
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Chronic physical pain and health conditions.
Strained relationships and social isolation.
Significant work or school impairment.
Suicidal behavior or self-harm.
Treatment and Support
Depression is treatable through professional help, including:
Healthify
Healthify
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Psychotherapy: Talk therapies such as cognitive-behavioral therapy (CBT).
Medication: Antidepressants, which can help manage brain chemistry.
Lifestyle Changes: Regular exercise, healthy sleep, and social support.
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