Depression — signs, what helps, when to get help

Everyone has low days. Depression is different: a low mood or a loss of interest that lasts most of the day, nearly every day, for two weeks or longer, and makes ordinary life harder. It is one of the most common health conditions in the world. It is not weakness, and it is not something you can simply “snap out of.”

The good news is that depression is among the most treatable conditions in mental health. Most people improve with the right mix of support.

What it can feel like

Feeling sad, empty, or hopeless most of the day
Losing interest or pleasure in things you used to enjoy
Sleeping much more or much less than usual
Tiredness, slowness, or low energy — even small tasks feel heavy
Changes in appetite or weight
Trouble concentrating, remembering, or deciding
Feeling worthless, guilty, or like a burden
Aches, pains or stomach trouble without a clear cause
Irritability or restlessness
Thoughts of death or suicide

In older adults and in men, depression often shows up as irritability, physical complaints, poor sleep, or withdrawing — rather than obvious sadness.

What helps — and how sure we are

Talk therapy (CBT, behavioral activation, interpersonal therapy)

Strong evidence

Structured therapies with decades of trials. Behavioral activation — scheduling small, meaningful activities even before motivation arrives — is one of the simplest and best supported.

Build a small-steps plan →

Medication, with a doctor

Strong evidence · moderate to severe

Antidepressants help many people, especially with moderate or severe depression. They take several weeks to work. Never stop suddenly without your prescriber.

Movement and exercise

Strong evidence

A 2024 BMJ analysis of over 200 trials found walking or jogging, yoga, strength training and dance all reduced depression — with bigger effects when more vigorous, but even gentle movement helped.

Try Baduanjin →

Mindfulness-Based Cognitive Therapy (MBCT)

Strong evidence · preventing relapse

An eight-week course that lowers the chance of depression returning for people who have had it before.

Try a body scan →

Connection

Moderate evidence

Isolation deepens depression, and depression pulls us toward isolation. One short call, message or visit counts.

Read about loneliness →

Tai chi and qigong

Promising

Trials, many in older adults, suggest gentle mind-body movement can ease depressive symptoms, alongside usual care.

Try tai chi basics →

Something small for today

Do one tiny thing you'd usually enjoy — five minutes counts.
Step outside or open a window for a few minutes of daylight.
Send one message to someone: “Thinking of you.”
Go to bed and get up at about the same time tomorrow.
Do three minutes of cyclic sighing.

Take the depression check-in (PHQ-9)

When to get help

See a doctor or mental health professional if symptoms have lasted two weeks or more, or are getting in the way of work, relationships, or caring for yourself. Your primary care doctor is a good first step — they can check for medical causes such as thyroid problems, vitamin deficiencies, or medication side effects.

If you're thinking about suicide or feel you might hurt yourself, call or text 988 now, or call 911 if you're in immediate danger.

Sources

Reviewed September 2026. Education only — not a substitute for professional care.