Comparison
Ketamine vs lifestyle medicine
Sleep, exercise, nutrition, sunlight, and social connection have measurable antidepressant effects. They are foundational, not optional — and ketamine works substantially better in patients with these foundations in place.
Medically reviewed by: Pending medical review(draft)Last updated: June 4, 2026Evidence: Educational synthesis - not medical advice
Ketamine
Lifestyle medicine
Mechanism
Pharmacological NMDA modulation and plasticity surge.
Modulates HPA axis, inflammation, circadian rhythm, BDNF, and reward circuits through behavior.
Evidence
Robust short-term TRD trials.
Strong observational and trial evidence for exercise, sleep, and diet in depression and anxiety.
Onset
Hours.
Weeks to months.
Duration
Days to weeks per session.
Sustained while the habits are sustained.
Side effects
Transient dissociation, BP, nausea.
Generally beneficial; injury risk with poorly designed exercise.
Access
Specialty clinics.
Free, universally available.
Best for
Moderate-to-severe TRD where lifestyle alone has not been sufficient.
Everyone, as foundation; sometimes sufficient for mild-to-moderate depression.
Limits
Insufficient as a standalone intervention without integration and lifestyle.
Requires capacity, structure, and time — often impaired by the depression itself.
Educational use only. The content on this page is provided for general educational purposes and does not constitute medical advice, diagnosis, or treatment. Ketamine and related therapies carry risks and are appropriate only under qualified medical supervision. Always consult a licensed healthcare professional about your individual situation. Information may change as research evolves.