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Mindfulness: what research says, its limits & combining it with therapy

Mindfulness can be a real help, and it is not a cure-all. Here is an honest look, so you can practice wisely and safely.

⏱ 4 min read📑 10 sections📚 17 sources✅ Reviewed October 2026

By the numbers

What helps, what does not, and how often practice is hard.

Benefits

14.2%of U.S. adults meditated in the past year in 2017, up from 4.1% in 2012 (CDC).
12,000+people took part in a 2018 analysis that found mindfulness better than no treatment for anxiety and depression, and about as good as other proven therapies (NCCIH).
31%lower chance of depression returning over 60 weeks for people who took mindfulness-based cognitive therapy, across 9 trials.

Limits

8,376students aged 11 to 14 took part in a large UK school trial. School mindfulness lessons did no better than usual teaching for mental health.
<1%of nearly 7,000 meditation studies measured harmful effects (Brown University, 2021).

Hard experiences

~8%of people in 83 meditation studies had a negative effect, most often anxiety or low mood, similar to other psychological therapies.
37%of 96 people in mindfulness programs had at least one effect that affected daily life; 6% had lasting bad effects for more than a month.

From Buddhist practice to the clinic

Ancient roots, modern programs, and what changed on the way.

Mindfulness comes from Buddhist practice. In the Satipatthana Sutta (Majjhima Nikaya 10), it is taught as steady attention to the body, feelings, the mind and mental qualities. For a fuller picture, see “Mindfulness, accurately” in the Buddhist practices for hard times guide, and the Buddhist meditation basics: calm & insight guide.

The NHS describes mindfulness as “paying attention to what is going on inside and outside ourselves, moment by moment.” Today it is taught in hospitals, schools, workplaces and apps, often without its Buddhist setting.

🏥 MBSR and MBCTThe two best-known clinic programs.
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Mindfulness-based stress reduction (MBSR) teaches mindful meditation, with discussion and ways to apply it to stress. Mindfulness-based cognitive therapy (MBCT) combines mindfulness with cognitive behavioral therapy.

Both are usually taught in groups over about eight weeks by trained instructors.

☸️ The wider Buddhist pathIn Buddhism, mindfulness is one part of eight.
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Right mindfulness is one part of the Noble Eightfold Path, alongside wise view, ethical speech and action, livelihood, effort and concentration (Samyutta Nikaya 56.11). Traditionally it is practiced together with ethics, community and a teacher.

Many Buddhist teachers see this wider setting as a source of support and safety. Others welcome secular programs as a helpful doorway. Both views exist with respect.

What the research shows

Real benefits for many people, with honest caveats.

The U.S. National Center for Complementary and Integrative Health (NCCIH) summarizes many studies. Mindfulness looks most promising for stress, anxiety, depression and some kinds of pain, though research quality varies.

🌧️ Anxiety and depressionHelpful for many, on par with some proven therapies.
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A 2018 analysis of 142 groups with more than 12,000 people found mindfulness worked better than no treatment for anxiety and depression, and about as well as other proven therapies such as CBT.

🔁 Preventing depression from returningMBCT for people with repeated depression.
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Across 9 trials, 38% of people who took MBCT had depression return within 60 weeks, compared with 49% of those who did not. Taking time into account, they were 31% less likely to relapse.

The researchers found no evidence of harm when MBCT was taught by well-trained teachers in a clinical setting.

🩹 Pain and stressSome benefit, especially for coping.
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Studies suggest MBSR may ease low-back pain in the short term, and that mindfulness may help some people tolerate pain better. A 2019 comparison found MBSR and CBT both worked better than no treatment for chronic pain.

🎖️ PTSD in veteransOne trial found meditation as helpful as a proven therapy.
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A 2018 trial of 203 veterans found meditation was as effective as prolonged exposure therapy in reducing PTSD symptoms and depression.

The VA’s free Mindfulness Coach app teaches mindfulness to veterans, service members and anyone else. It can be used alone or alongside care, but is not a replacement for treatment.

What mindfulness can’t do (yet)

Mixed results, weak studies, and not a replacement for care.

Mindfulness is sometimes promoted as a fix for everything. The research is more modest. Knowing the limits can protect you from feeling like a failure if it does not work for you.

⚖️ Mixed and short-term resultsBenefits do not always last.
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A 2021 analysis of 23 studies found mixed results for anxiety and depression in the short term. Only some types of mindfulness matched CBT, and the few studies that followed people for more than two months found no long-term effects.

A 2019 analysis of 23 studies in college students found some benefit, but most of the studies were of poor quality.

🏫 Mindfulness in schoolsA large trial found no extra benefit.
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The MYRIAD trial followed 8,376 students aged 11 to 14 in 85 UK schools. One year on, school mindfulness lessons did no better than usual social and emotional teaching for risk of depression or wellbeing.

This does not mean mindfulness never helps young people. It suggests one class for everyone may not be enough, and that some young people need other kinds of support.

🙅 Not for everyoneSome people find it unhelpful, or worse.
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The NHS notes that mindfulness is not suitable for everyone: “Some people find that it does not help them or that it can make them feel worse.”

If mindfulness does not suit you, nothing is wrong with you. There are many other proven ways to feel better.
🩺 Not a replacement for careUse it alongside, not instead of, treatment.
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NCCIH advises not to use meditation to replace care from a health professional, or as a reason to put off seeing one.

When meditation stirs things up

Hard experiences are more common than many people think.

Meditation is usually low-risk, but difficult experiences do happen. A review of 83 studies with 6,703 people found that about 8% had a negative effect, most often anxiety, then low mood. These can happen to people with no past mental health problems.

A Brown University study of 96 people in eight-week mindfulness programs found that 58% had at least one unwanted effect, and 37% had effects that affected daily life. For 6%, the effects lasted more than a month, a rate similar to other psychological treatments.

😰 What it can feel likeFear, panic, numbness, sensitivity or poor sleep.
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A study of nearly 100 meditators and teachers from Theravada, Zen and Tibetan traditions described experiences such as fear, anxiety and panic, losing feelings altogether, being very sensitive to light or sound, trouble sleeping and involuntary body movements.

These lasted anywhere from a few days to months, and in some cases more than a decade.

🗣️ Why people stay quietHard effects are easy to miss.
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The Brown study found that asking an open question about bad experiences missed about 70% of them. A lack of complaints is often taken as proof that there is no harm, which is not always true.

If something feels off, say so, even if no one asks. You are giving your teacher useful information.
🤝 What helpedTalking to someone who understands.
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In the study of Buddhist meditators, talking with someone familiar with challenging meditation experiences was one of the most common ways people found help.

Many people also find it helps to practice less, switch to gentler practices, and spend more time on ordinary, grounding activities. See “When meditation feels hard” in the Buddhist practices for hard times guide.

Trauma, dissociation and meditation

Going gently when stillness brings up the past.

For people who have lived through trauma, sitting still with eyes closed and attention turned inward can sometimes bring up memories, fear or a sense of being far away from the body. This is not a sign of doing it wrong.

In the Brown study, effects linked to dissociation, like feeling detached or unreal, predicted more lasting problems, even when they felt neutral or even relieving at the time.

👀 Gentler ways to practiceSmall changes can make practice feel safer.
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  • Choose an anchor outside the body, like sounds or an object
  • Keep sits short, and stop whenever you need to
  • Keep your eyes open, with a soft gaze
  • Practice with movement, like walking or gentle stretching
  • Sit where you can see the door
Plan yours in the “My gentler practice plan” worksheet.
🦶 Coming back to the here and nowGrounding when you feel far away.
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Grounding skills turn attention to the present through the senses, such as naming things you can see, feeling your feet on the floor, or holding something cool.

See the Grounding & calming skills and Dissociation guides.
🧑‍⚕️ Trauma-informed supportA therapist can help you practice safely.
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If you have a trauma history, a trauma-informed therapist can help you decide whether, when and how to meditate. Some trauma therapies use mindfulness skills in a careful, step-by-step way.

See the Trauma: what it is & how it affects you and Healing from trauma guides.

Intensive retreats: extra care

Long silent practice can be powerful, and needs good support.

Long, silent retreats with many hours of daily practice can be deeply meaningful. They also carry more risk than short daily sits. A conference report on a case of psychosis during a seven-day retreat named possible risk factors: a history of psychosis or trauma, fasting, sleep loss, isolation, and a lack of screening or individual guidance.

📋 What good retreats offerScreening, guidance and a plan if someone struggles.
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The same report recommends mental health screening before retreats, practices tailored to each person, and access to professional mental health support.

Questions to ask

  • Can I talk with a teacher privately?
  • Do you ask about mental health before people join?
  • Is someone with mental health training available?
  • What happens if someone needs to leave early?
🛑 Stop and tell someone ifSome signs need attention straight away.
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  • You feel unreal, detached or far away and it does not pass
  • You have not slept for a night or two
  • Panic or fear will not settle
  • You see or hear things others do not
  • Your thinking feels strange, racing or out of control
Leaving a retreat early to look after your mind is wise, not weak. For retreat planning, see the Buddhist holy days, retreats & your wellbeing guide.

Finding a well-trained guide

Teacher training matters for safety.

NCCIH suggests asking about a meditation instructor’s training and experience. The MBCT research found no evidence of harm when the program was taught by well-trained teachers in a clinical setting.

❓ Questions to ask a teacher or programA good teacher will welcome them.
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  • Do you check in privately about difficult experiences?
  • How long have you been teaching, and where did you train?
  • What do you do if a student struggles?
  • Will you support me working with a therapist too?
Keep your questions in the “Questions for a teacher or program” worksheet.
📱 Apps and online coursesUseful, but no one is watching how you are doing.
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Apps can be a good way to start. But they cannot notice if you are struggling. If an app practice makes you feel worse, stop, and talk with someone you trust.

🛕 Buddhist teachersMany have long experience with hard states.
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Experienced monastics and lay teachers have often guided many students through difficult practice periods. It is okay to ask a teacher how they handle these experiences, and to seek a second opinion.

For choosing a teacher and community safely, see the Sangha, teachers & community guide.

Combining practice with therapy

Practice and therapy can strengthen each other.

You do not have to choose between your practice and therapy. Several proven therapies already include mindfulness skills, and many therapists respect Buddhist practice.

🧠 Therapies that use mindfulnessMBCT, DBT and ACT.
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MBCT combines mindfulness with cognitive behavioral therapy.

Dialectical behavior therapy (DBT) teaches mindfulness as one of its core skills, alongside handling distress, managing emotions and relationships.

Acceptance and commitment therapy (ACT) uses mindfulness and acceptance to help people live by their values.

See the CBT, DBT & other talk therapies guide.
💬 Tell each about the otherYour teacher and therapist can work as a team.
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Tell your therapist about your practice, including retreats and how long you sit. Tell your teacher, if you feel comfortable, that you are in therapy. This helps both of them support you safely.

Plan this in the “Practice and therapy together” worksheet.
🙏 Finding a therapist who respects your practiceIt is fine to ask.
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You can ask a therapist directly: “Are you comfortable working with someone whose Buddhist practice matters to them?” A good therapist will be open and curious, not dismissive.

See the When faith and therapy meet guide.

When and where to get help

Practice and professional care go together.

It may be time to talk to a professional if

  • Meditation brings up memories or feelings that overwhelm you
  • You feel detached, unreal or numb for days after practice
  • Sleep problems after practice or a retreat do not settle
  • You see or hear things others do not, or your thinking feels out of control
  • You feel hopeless or think about not wanting to live

Seeing or hearing things others do not can have many causes, and it is not always serious. But it is worth checking with a doctor soon. See the Hallucinations explained: all five senses and Psychosis & schizophrenia guides.

Where to start

  • A counselor or therapist, ideally one who understands meditation
  • A meditation teacher experienced with difficult experiences
  • A school counselor, if you are a student
  • Your doctor or clinical provider
If you’re in crisis, call or text 988 (U.S.), or text HOME to 741741. If a life is in danger, call 911. Outside the U.S., find a free helpline at findahelpline.com.

📝 Worksheets for this guide

Fill these in privately in the app. Your answers stay on your phone.

My practice check-inNotice honestly how meditation is affecting you, so you can adjust early.
My gentler practice planPlan small changes that help practice feel safer, especially if you have been through trauma.
Questions for a teacher or programWrite down questions to ask before a course or retreat, and what you learned.
Practice and therapy togetherPlan how your practice and professional care can support each other.
🔒 Fill in privately in the Mentally United Wellness App. Free, no ads, no accounts.

Sources

  1. National Center for Complementary and Integrative Health (NCCIH), NIH (2022). Meditation and Mindfulness: Effectiveness and Safety
  2. Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (2018). Use of Yoga, Meditation, and Chiropractors Among U.S. Adults Aged 18 and Over (NCHS Data Brief No. 325)
  3. King’s College London, Institute of Psychiatry, Psychology & Neuroscience (2016). Mindfulness-based cognitive therapy linked to reduced risk of depressive relapse (on Kuyken W. et al., JAMA Psychiatry 2016;73(6):565–574)
  4. Peer-reviewed trial via PubMed Central (2022). Effectiveness and cost-effectiveness of universal school-based mindfulness training compared with normal school provision: the MYRIAD cluster randomised controlled trial (Kuyken W. et al.), Evidence-Based Mental Health
  5. Brown University (2021). Making mindfulness meditation more helpful starts with understanding how it can be harmful (on Britton W.B. et al., Clinical Psychological Science, 2021)
  6. Peer-reviewed review via PubMed (U.S. National Library of Medicine) (2020). Adverse events in meditation practices and meditation-based therapies: a systematic review (Farias M. et al.), Acta Psychiatrica Scandinavica 142(5):374–393
  7. Peer-reviewed study via PubMed Central (2017). The varieties of contemplative experience: A mixed-methods study of meditation-related challenges in Western Buddhists (Lindahl J.R. et al.), PLoS ONE 12(5): e0176239
  8. Brown University (2017). Study documents range of challenging meditation experiences
  9. Royal College of Psychiatrists / Cambridge University Press (2025). Psychosis Triggered by Intensive Meditation: A Case Report and Review of Risk Factors (Galvao de Oliveira M.), BJPsych Open 11(S1), conference abstract
  10. NHS (UK National Health Service). Mindfulness
  11. Access to Insight. Satipatthana Sutta: Frames of Reference (MN 10), trans. Thanissaro Bhikkhu
  12. Access to Insight. Dhammacakkappavattana Sutta: Setting the Wheel of Dhamma in Motion (SN 56.11), trans. Thanissaro Bhikkhu
  13. Cleveland Clinic (2024). 13 Grounding Techniques for When You Feel Overwhelmed
  14. Cleveland Clinic (2022). Dialectical Behavior Therapy (DBT): What It Is & Purpose
  15. Cleveland Clinic (2024). Acceptance and Commitment Therapy (ACT): What It Is
  16. U.S. Department of Veterans Affairs, National Center for PTSD. Mindfulness Coach (mobile app)
  17. VA Mobile, U.S. Department of Veterans Affairs. Mindfulness Coach

This guide is for education and self-care. It is not a diagnosis or a substitute for professional care. Please talk to a counselor or clinical provider about your health. Reviewed October 2026.

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