Baseer Maroof, LCSW · Raleigh, NC · Adults 21+
Depression
Heavy, flat, everything takes twice the effort, and the things that used to help don’t. Here’s how depression works, what keeps it going, and what the evidence says gets you out.
In short
- Depression is more than a bad week: low mood or lost interest most of the day, nearly every day, for at least two weeks, with other symptoms that get in the way of life.
- It’s common. About 21 million U.S. adults (8.3%) had a major depressive episode in 2021.
- It feeds on withdrawal. Pulling back brings relief, then less reward, then lower mood. Behavioural activation reverses that loop from the outside in.
- Therapy, medication and the two combined all work. Combined treatment beat either alone across 101 trials. The planner on this planet helps you start today.
At a glance
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What it isSadness vs depression
Sadness is a normal response to loss and stress, and it moves. Depression sticks. It flattens interest and pleasure, drains energy, disrupts sleep and appetite, and turns your thinking harsh. The rule of thumb: most of the day, nearly every day, for two weeks or more. The nine symptoms → (NIMH)
Why it sticksWithdrawal and a harsh lens
Low mood makes everything feel like effort, so you do less. Doing less means fewer good moments and more problems piling up, which lowers mood further. Your thoughts tilt too: a bleak read of yourself, the world and the future. See the cycle → (Jacobson et al. 2001; Beck 2008)
What worksTherapy, medication, both
Behavioural activation, CBT, interpersonal therapy and other structured therapies; second-generation antidepressants; and the combination. Behavioural activation did as well as CBT in a large trial, delivered by less-specialised staff. (APA 2019; Richards 2016)
When to check with a doctorRule things out
Get a medical check when depression is new, so things like thyroid problems or medication side effects can be ruled out. Any decision to start, change or stop an antidepressant belongs with your prescriber.
Explore
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By the numbers
U.S. adults, 2021 National Survey on Drug Use and Health.
NIMH. 14.5 million adults (5.7%) had an episode with severe impairment.
Myths
MythWait until you feel motivated, then get going.
In depression, motivation tends to follow action. Behavioural activation has you act on a plan first and let mood catch up.
Jacobson et al. 2001; Martell et al. 2022
MythAntidepressants are the only real treatment.
APA’s guideline puts psychotherapy and second-generation antidepressants side by side as first options. In pooled trials, the two were similar on their own, and combining them was best.
APA 2019; Cuijpers 2020
MythIf it’s mild, you just have to ride it out.
For less severe depression, NICE recommends active options like guided self-help, group CBT, behavioural activation and group exercise.
NICE NG222
MythExercise is nice but it doesn’t really treat depression.
A network meta-analysis of 218 trials found walking or jogging, yoga and strength training all reduced depression, with walking or jogging among the largest effects.
Noetel 2024
Sources
All sources, linked10 references⌄
- National Institute of Mental Health. Major Depression (2021 NSDUH statistics). www.nimh.nih.gov/health/statistics/major-depression
- National Institute of Mental Health (2024). Depression (brochure). www.nimh.nih.gov/health/publications/depression
- Jacobson NS, Martell CR, Dimidjian S (2001). Behavioral activation treatment for depression: returning to contextual roots. Clinical Psychology: Science and Practice, 8(3), 255–270. doi.org/10.1093/clipsy.8.3.255
- Beck AT (2008). The evolution of the cognitive model of depression and its neurobiological correlates. American Journal of Psychiatry, 165(8), 969–977. pubmed.ncbi.nlm.nih.gov/18628348/
- Richards DA et al. (2016). Cost and Outcome of Behavioural Activation versus Cognitive Behavioural Therapy for Depression (COBRA): a randomised, controlled, non-inferiority trial. Lancet, 388, 871–880. pmc.ncbi.nlm.nih.gov/articles/PMC5007415/
- American Psychological Association (2019). Clinical Practice Guideline for the Treatment of Depression Across Three Age Cohorts. www.apa.org/depression-guideline/guideline.pdf
- Cuijpers P et al. (2020). A network meta-analysis of the effects of psychotherapies, pharmacotherapies and their combination in the treatment of adult depression. World Psychiatry, 19(1), 92–107. pmc.ncbi.nlm.nih.gov/articles/PMC6953550/
- National Institute for Health and Care Excellence (2022). Depression in adults: treatment and management (NG222). www.nice.org.uk/guidance/ng222/chapter/Recommendations
- Noetel M et al. (2024). Effect of exercise for depression: systematic review and network meta-analysis of randomised controlled trials. BMJ, 384, e075847. pmc.ncbi.nlm.nih.gov/articles/PMC10870815/
- Martell CR, Dimidjian S, Herman-Dunn R (2022). Behavioral Activation for Depression: A Clinician’s Guide, 2nd ed. Guilford Press (reproducible forms, incl. TRAP-TRAC sheet). www.guilford.com/add/forms/martell2-forms.pdf
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