Major Depressive Disorder (MDD)
A mental health disorder characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.
Prevalence: 7.1% of U.S. adults (17.3 million) had at least one major depressive episode in 2017 (NIMH)
Common Symptoms
- Persistent sad, anxious, or empty mood
- Loss of interest or pleasure in hobbies and activities
- Significant weight loss or gain
- Insomnia or excessive sleeping
- Psychomotor agitation or retardation
- Fatigue or loss of energy
- Feelings of worthlessness or excessive guilt
- Diminished ability to think or concentrate
- Recurrent thoughts of death or suicide
- Irritability or frustration
- Difficulty making decisions
- Physical aches and pains without clear cause
- Digestive problems
- Reduced appetite
- Social withdrawal
Risk Factors
- Family history of depression
- Previous depressive episodes
- Chronic medical conditions
- Substance abuse
- Major life stressors
- Lack of social support
- Female gender (2x higher risk)
- History of trauma
Treatment Approaches
- Cognitive Behavioral Therapy (CBT) - Gold standard
- Behavioral Activation Therapy
- Interpersonal Therapy (IPT)
- Mindfulness-Based Cognitive Therapy (MBCT)
- Acceptance and Commitment Therapy (ACT)
- Problem-Solving Therapy
- Psychodynamic therapy
- Group therapy
- Antidepressant medications (SSRIs, SNRIs)
- Electroconvulsive therapy (ECT) for severe cases
- Transcranial magnetic stimulation (TMS)
- Combination of therapy and medication often most effective
Self-Help & Natural Approaches
- Regular aerobic exercise (30 min, 3-5x/week)
- Light therapy for SAD (10,000 lux, 30 min/day)
- Sleep hygiene practices
- Mindfulness meditation (20 min/day)
- Social connection and activities
- Time in nature (forest bathing)
- Gratitude journaling
- Behavioral activation (scheduling pleasant activities)
- Cognitive restructuring exercises
- Deep breathing techniques
- Progressive muscle relaxation
- Yoga and tai chi
- Art and music therapy
- Pet therapy
- Volunteer work and helping others
- Establishing daily routines
- Limiting alcohol and caffeine
- Morning sunlight exposure
- Cold water therapy
- Acupuncture (evidence shows benefit for some)
When to Seek Professional Help
- Symptoms persist for more than 2 weeks
- Symptoms interfere with daily functioning
- Thoughts of death or suicide
- Unable to care for yourself
- Substance use to cope
- Physical symptoms without medical cause
- Relationship or work problems
- Feelings of hopelessness or worthlessness
- Previous treatment not working
- Support system is concerned
Crisis Resources
- 988 Suicide & Crisis Lifeline: Call or text 988
- Crisis Text Line: Text HELLO to 741741
- SAMHSA National Helpline: 1-800-662-4357
- Veterans Crisis Line: 988 then press 1
- Emergency: 911 or nearest emergency room
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.