Mindfulness-based stress reduction (MBSR)

Mindfulness-based stress reduction (MBSR) is an 8-week group course. It teaches you to notice what is happening right now, in your body and mind, without judging it. You learn simple meditation and gentle movement, and you practice using these skills when life gets stressful.^5,6

MBSR is one of the most studied mindfulness programs. It is not a cure-all, but research shows it can ease anxiety, low mood and some kinds of long-lasting pain by a small to moderate amount.^2,4 This page explains how the course works, what the research shows, how to find a class, and free ways to try it.

Where MBSR came from

Jon Kabat-Zinn, PhD, created MBSR in 1979 at the University of Massachusetts medical center. That center is now part of UMass Memorial Health.⁵ He wanted to help hospital patients who were living with stress, pain and illness that medicine alone could not fix.

Since then, hundreds of thousands of people around the world have taken the course.⁵ It is still taught at UMass, and Brown University now offers the course and trains MBSR teachers.^5,6,7

MBSR is not religious. It borrows meditation methods, but it is taught as a set of skills for health and coping. You do not need any beliefs or experience to join.

What happens in the 8 weeks

An MBSR course follows a set plan. Most courses start with an orientation (a first meeting to learn what to expect). Then there are eight weekly classes, with one all-day session partway through.⁶

Classes are groups led by a trained teacher. Each class mixes guided practice with group talk about what you noticed.^5,6 The practices include sitting meditation and gentle movement that you can fit into daily life.⁷ Many people know one of them as the body scan, where you move your attention slowly through your body.

Here is the general flow of one well-known course, from Brown University:⁶

What it asks of you. Each class runs about 2.5 hours.⁶ You are also asked to practice at home between classes, often with recordings. Plan for this. Most of the benefit comes from steady practice, not from the classes alone.

What the research shows

MBSR has been tested in many studies. The results are real but modest. Here is a plain summary.

The big picture from reviews

A major review in 2014 looked at 47 trials with 3,515 adults. It compared meditation programs, including MBSR, with other active activities.⁴

• Mindfulness programs gave small to moderate improvements in anxiety, depression and pain. The strength of this evidence was rated moderate.⁴
• The evidence for lowering stress was rated low.⁴
• Meditation programs were not better than other active treatments, such as medicine, exercise or other behavioral therapies.⁴

In daily life, this means MBSR is one good option among several. It is not a stronger choice than proven therapies like CBT. It may suit you well if you like the idea of group practice and are willing to practice at home.

MBSR vs. an anxiety medicine: the 2023 trial

In 2023, the journal JAMA Psychiatry published a trial that compared MBSR directly with escitalopram (brand name Lexapro). Escitalopram is an SSRI, a common type of antidepressant that doctors often use for anxiety.¹

Who took part. 276 adults with anxiety disorders joined at three U.S. medical centers. Their average age was 33, and 3 in 4 were women. Half were assigned to an 8-week MBSR course. Half took escitalopram, adjusted by a doctor.¹

What happened. Researchers rated how severe each person's anxiety was. After 8 weeks:¹

The small gap in anxiety scores (0.07 points) was not a meaningful difference. The study was designed to test whether MBSR was "noninferior," meaning not meaningfully worse. It met that goal.¹

What this means for you. For some adults with anxiety, an 8-week MBSR course may be a reasonable choice instead of, or along with, medicine. It is good news for people who want a non-drug option.

What it does not mean. Keep these limits in mind:

• Most people in the study were young adults. We know less about how MBSR compares with medicine in people over 65.¹
• People chose to join a study that might give them meditation. People who do not like the idea of meditation may not do as well.
• It does not mean medicine is a bad choice. Many people do well on it, and some need it.

Is MBSR safe?

For most people, mindfulness practice is low-risk. But few studies have looked closely at harms, so experts cannot say it is safe for everyone.^2,3

• A 2020 review of 83 studies with 6,703 people found that about 8 in 100 had a negative effect. The most common were more anxiety or low mood. That rate is similar to other psychological therapies.²
• In three MBSR studies with 521 people, MBSR caused no more harm than no treatment.²
• Brown University's MBSR program tells people that taking part carries some risk to physical or mental health, and that each person should judge whether they are ready.⁷

Sitting quietly with your thoughts can bring up painful memories or strong feelings. It is a good idea to talk with your doctor or therapist before starting if you have recently lived through trauma, have PTSD, have had psychosis or bipolar disorder, or are in a deep depression right now. A skilled teacher can adjust practices, and you can always open your eyes, stop, or step out.

Mindfulness should not replace medical care, or be a reason to put off seeing a doctor about a health problem.³

How to find an MBSR course

Look for a course taught by a teacher with formal MBSR training. Ask about the teacher's training and experience before you sign up.³

1. Check the source. UMass Memorial Health's Center for Mindfulness, where MBSR began, offers the course online.⁵ Brown University offers it online or in person.⁶
2. Ask locally. Some hospitals, health systems, senior centers and community programs offer MBSR or similar classes. Ask your doctor or local hospital.
3. Compare formats. In-person groups give more personal contact. Live online classes save travel and work well if driving is hard.
4. Ask about cost and help. As of October 2026, Brown lists its course at $599 online and $650 in person.⁶ Prices vary. Ask whether there are reduced fees or scholarships, and ask your health plan whether it pays for any part.
5. Ask practical questions. How long are classes? Can I join from a chair? Are recordings provided? What if I miss a week?

If cost or schedule is a problem, start with a free option below. For help with therapy costs in general, see paying for therapy.

Free ways to try MBSR

You do not have to pay to learn the core skills.

• Palouse Mindfulness. A free, self-guided, 8-week online course based on the original MBSR program. It was put together by a certified MBSR teacher from his live classes. You can start anytime, and you can get a free certificate after you finish the 8 weeks and send in your practice logs and a short write-up.⁸ It is meant for people who cannot take a live course because of cost or schedule.⁸
• Mindfulness Coach app (VA). A free app from the VA's National Center for PTSD for iPhone and Android. It was made for veterans and service members but is open to anyone. It has guided practices, a progress log and reminders. It is not a replacement for professional care for PTSD.⁹
• WhySigh's mindfulness lessons. Our free 4-week series starts with week 1: paying attention on purpose. You can also try the body scan or loving-kindness practices.

A self-guided course takes more self-discipline than a group with a teacher. If you find yourself stuck, a live class or a therapist can help. To learn more about choosing apps safely, see online therapy and mental health apps.

Tips for older adults and caregivers

• Make it comfortable. Sit in a supportive chair. Keep your eyes open if closing them feels unsteady. Skip any movement that hurts.
• Hearing and vision. Ask for printed handouts, captions on online classes, or a seat near the teacher.
• Caregivers. If caring for someone leaves you worn out, MBSR may help you handle stress. Live online classes can be easier to fit in. See caregiver burnout and dementia caregiver stress.
• Go at your own pace. Short daily practice is better than long practice once in a while.

Common questions

Is MBSR the same as MBCT?

No, but they are related. MBCT (mindfulness-based cognitive therapy) is built on MBSR and adds ideas from CBT. It was designed mainly to help people who have had depression keep it from coming back. See MBCT.

Do I need to be calm or good at meditating to start?

No. Almost everyone's mind wanders. Noticing that your mind has wandered, and gently coming back, is the practice itself.

Can MBSR take the place of my therapy or medicine?

Not on your own. For some people with anxiety, MBSR may be a reasonable option, but decide with your doctor or therapist.¹ Mindfulness should not replace other care.³

What if a practice makes me feel worse?

Stop, open your eyes, and ground yourself. Try grounding or slow breathing. Tell your teacher. If distress keeps coming back, talk with a health professional.²

For an overview of mindfulness and how it compares with other methods, see mindfulness and therapies and training. For how strong each kind of evidence is, see how we rate evidence.

Education only. This page is general information written from the sources listed. It is not medical, legal or financial advice and does not replace a doctor, therapist or lawyer who knows your situation. How we write and check pages.