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What science is saying about Yoga & Meditation:


Yoga has the sa
me benefits as any type of exercise: movement helps alleviate conditions that come from leading a sedentary lifestyle. In addition, the mind-body component of the Yoga practice gives extra benefits.

Many scientific studies have been conducted on the benefits of Yoga and meditation for specific health conditions.  Please take a look at the following list of studies, and for first-hand explanation of the benefits of a Yoga practice, read our Student Testimonials.





HIV/AIDS

People who meditated improved measures of intrusive thoughts, stress, anxiety, anger and depression, quality of life, enjoyment and satisfaction. Meditation practice made a unique contributions for managing psychological distress and enhancing existential spiritual well-being in adults living with HIV/AIDS. Journal of Behavioral Medicine 2006 Aug;29(4):359-76

 

Practice of mindful meditation can bolster immune system in HIV-Positive adults and others. Researchers found that the more meditation classes people attended the higher the CD4T lymphocytes cells at the study’s conclusion.

 Department of Psychiatry and Biobehavioral Sciences, Cousins Center for Psychoneuroimmunology, University of California- 10.1016/j.bbi.2008.07.004




  Cancer
 

Breast and prostrate cancer outpatients that practiced meditation showed enhanced quality of life, decreased stress symptoms, altered Cortisol and immune patterns consistent with less stress and mood disturbance, and decreased blood pressure.

Carlson LE, Speca M, Faris P, Patel KD. One year pre-post intervention follow-up of psychological, immune, endocrine and blood pressure outcomes of mindfulness-based stress reduction (MBSR) in breast and prostate cancer outpatients. Brain Behav Immun. 2007 Nov;21(8):1038-49. Epub 2007 May 22.

 

After 10 weeks of meditation practice, 24 woman being treated for stage I or II breast cancer showed a reduction in cortisol levels, an increase on the reported degree to which breast cancer had made a positive contributions to their lives and an increase in immune functioning.

Dean G. Cruess, PhD, Michael H. Antoni, PhDPsychosomatic Medicine 62:304-308 (2000) at al. Cognitive-Behavioral Stress Management Reduces Serum Cortisol By Enhancing Benefit Finding Among Women Being Treated for Early Stage Breast Cancer. Psychosomatic Medicine 62:304-308 (2000)


 

After 7 weeks of a 1.5 hours group weekly meditation plus home meditation practice  Ninety nine patients, average age 51,  with different types and stages of cancer showed an improvement in levels of stress, anxiety, anger, irritability, depression, cognitive disorganization and gastrointestinal symptoms. Overall reduction in total mood disturbance was 65%, with a 31% reduction in symptoms stress.

Michael Speca, PsyD, Linda E. Carlson, PhD, Eileen Goodey, MSW and Maureen Angen, PhD. A Randomized, Wait-List Controlled Clinical Trial: The Effect of a Mindfulness Meditation-Based Stress Reduction Program on Mood and Symptoms of Stress in Cancer Outpatients  Psychosomatic Medicine 62:613-622 (2000)


49 patients with breast cancer and 10 with prostate cancer showed a Significant improvements in quality of life, symptoms of stress and sleep quality after an 8 week program including relaxation, meditation, gentle yoga and daily home practice. 

Linda E. Carlson, PhD, Michael Speca, PsyD, Kamala D. Patel, PhD and Eileen Goodey, MSW. Mindfulness-Based Stress Reduction in Relation to Quality of Life, Mood, Symptoms of Stress, and Immune Parameters in Breast and Prostate Cancer Outpatients.  Psychosomatic Medicine 65:571-581 (2003)




 Cardiovascular Health


60 African- Americans with atherosclerosis (hardening of the arteries) that practiced meditation 20min a  day, twice a day for 6 to 9 months showed a marked decreased in the thickness of their artery walls. The decrease in thickness was within the range of reduction shown by lipid-lowering medications.

Amparo Castillo-Richmond, MD; Robert H. Schneidera et al. Effects of Stress Reduction on Carotid Atherosclerosis in Hypertensive African Americans  American Heart Association Journal, Stroke 2000;31:568



Regular practice of yoga lowers  cytokine levels  known to promote inflammation and has been implicated in heart disease, stroke, type 2 diabetes, arthritis and other age-related debilitating diseases.  Study was conducted on a group of 50 women, age 41 on average. 

Ohio State University (2010, January 14). Yoga reduces cytokine levels known to promote inflammation, study shows. ScienceDaily. Retrieved May 12, 2010, from http://www.sciencedaily.com­ /releases/2010/01/100111122643.htm



Yoga based lifestyle modifications help in regression of coronary lesions and in improving myocardial perfusion. This is translated into clinical benefits and symptomatic improvement.

Yogendra J, Yogendra HJ, Ambardekar S, Lele RD, Shetty S, Dave M, Husein N.  Beneficial effects of yoga lifestyle on reversibility of ischaemic heart disease: caring heart project of International Board of Yoga. J Assoc Physicians India. 2004 Apr;52:283-9.



Yoga improved exercise tolerance and  positively affected levels of inflammatory markers in patients with heart failure, there was also a trend toward improvement in quality of life.  Study involved 19 patients and included an 8-week regime of yoga and breathing exercises in addition to the standard medical theraphy.

Pullen PR, Nagamia SH, Mehta PK, Thompson WR, Benardot D, Hammoud R, Parrott JM, Sola S, Khan BV.Effects of yoga on inflammation and exercise capacity in patients with chronic heart failure.J Card Fail. 2008 Jun;14(5):407-13. Epub 2008 May 27.




Yoga therapy, in addition to antipsychotic treatment significantly increased the social and occupational functioning and quality of life of moderately ill schizophrenia patients.

Acta Psychiatr Scand. 2007 Sep;116(3):226-32.

Department of Psychiatry, National Institute of Mental Health and NeuroSciences, Bangalore 560029, India

 

All participants were experiencing mild levels of depression but had received no current psychiatric diagnoses or treatments. After 5 consecutive weeks of an hour long yoga class, twice a week, participants demonstrated significant decreases in self-reported symptoms of depression and trait anxiety. Changes also were observed in acute mood, with subjects reporting decreased levels of negative mood and fatigue following yoga classes. Finally, there was a trend for higher morning cortisol levels in the yoga group by the end of the yoga course.

Altern Ther Health Med. 2004 Mar-Apr;10(2):60-3.

University of California, Los Angeles.

 

All participants were diagnosed with Unipolar major depression in partial remission. After 20 classes Significant reductions were shown for depression, anger, anxiety, neurotic symptoms and low frequency heart rate variability

Evid Based Complement Alternat Med. 2007 Dec;4(4):493-502.

Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California

A 60 min yoga practice including postures, Breathing exercises and meditation increases brain gamma-Amynobutryc (GABA) levels. Low GABA levels are associated with depression, anxiety disorders and epilepsy.

J Altern Complement Med. 2007 May;13(4):419-26.

Boston University School of Medicine, Boston, MA., McLean Hospital, Belmont, MA.

 

Young adults with mild levels of depression who participated in the Yoga course demonstrated significant decreases in self-reported symptoms of depression and trait anxiety. Changes also were observed in acute mood, with subjects reporting decreased levels of negative mood and fatigue following Yoga classes.

Altern Ther Health Med. 2004 Mar-Apr;10(2):60-3.

Dr. A. Woolery, University of California, Los Angeles


Research shows that the brain responds to stretching and challenging exercises in every stage of life by establishing connections between neurons and increasing synaptic density.  Richard Restak. ‘Think Smart: A Neuroscientist’s Prescription for Improving Your Brains Performance

 

Healthy seniors ( 68 to 85 years old ) that participated in a 6 month yoga program showed improvement in physical measures (eg 1-legged standing, forward flexibility) as well as in measures related to sense of well-being and energy and fatigue compared to controls.  Altern Ther Health Med. 2006; 12(1): 40–47.Dr. BS Oken, Department of Neurology and Behavioral Neuroscience, Oregon Health and Science University


Community-dwelling older adults with chronic low back pain experienced numerous benefits from mindfulness meditation including less pain, improved attention, better sleep, enhanced well-being, and improved quality of life.J Pain. 2008 Sep;9(9):841-8. Epub 2008 Jun 12.
 
Department of Medicine, Division of General Internal Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA


A 30 minute programme of Yogic stretch and breathing exercises which is simple to learn and which can be practised even by the elderly had a markedly invigorating effect on perceptions of both mental and physical energy and increased high positive mood.” –

J R Soc Med. 1993 May; 86(5): 254–258. Dr. C. Wood. Mood change and perceptions of vitality: a comparison of the effects of relaxation, visualization and yoga  J R Soc Med. 1993 May;86(5):254-8


After a 12-week,  twice a  week 60 min  hatha yoga class including breathing exercises and physical postures, sitting and standing position,  study participants reported reduced fear of failing and increased static balance and lower body flexibility.   Study involved 14 mean and women with an average age of 78. Five participants had fallen previously.

 Veterans Affairs Health Services Research and Development., Indianapolis, IN 46202, USA. Arlene.schmid@va.gov. Effect of a 12-week yoga intervention on fear of falling and balance in older adults: a pilot study.  Arch Phys Med Rehabil. 2010 Apr;91(4):576-83.

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Yoga and Meditation


People in both groups, yoga and exercise,  showed significant improvement in social competence. People in the yoga group showed a reduction in somatization and body-related anxiety as well as an improvement in physical and emotional well-being.

Hafner-Holter S, Kopp M, Günther V. Effects of fitness training and yoga on well-being stress, social competence and body image. Neuropsychiatr. 2009;23(4):244-8.



There was  significant increase in left-sided activation in meditators, a pattern previously associated with positive affect,  there was also a significant increase in antibody titers to  the influenza vaccine.  These findings demonstrate that a short program in mindfulness meditation produces demonstrable effects on brain and immune function.                             Richard J. Davidson, PhD, Jon Kabat-Zinn, PhD, Jessica Schumacher, MS, Melissa Rosenkranz..et al. Alterations in Brain and Immune Function Produced by Mindfulness Meditation- Psychosomatic Medicine 65:564-570 (2003)


When you evoke the relaxation response, the very genes that are turned on or off by stress are turned the other way. The mind can actively turn on and turn off genes. The mind is not separated from the body.
Dusek JA, Otu HH, Wohlhueter AL, Bhasin M, Zerbini LF, et al. 2008 Genomic Counter-Stress Changes Induced by the Relaxation Response. PLoS ONE 3(7): e2576. doi:10.1371/journal.pone.0002576



Researchers at UCLA who used Magnetic Resonance Imaging to scan the brains of people who meditate found that meditators showed significantly larger volumes of the hippocampus and areas within the orbito-frontal cortex, the thalamus and the inferior temporal gyrus- all regions know for regulating emotions.  "We know that people who consistently meditate have a singular ability to cultivate positive emotions, retain emotional stability and engage in mindful behavior,"  said Eileen Luders, lead author and postdoctoral research fellow at UCLA Laboratory of Neuro Imaging. " The observed differences in brain anatomy might give us a clue why meditators have these exceptional abilities.
University of California - Los Angeles (2009, May 13). Meditation May Increase Gray Matter. ScienceDaily. Retrieved April 12, 2010, from http://www.sciencedaily.com­ /releases/2009/05/090512134655.htm



This program was effective in decreasing mood disturbance and stress symptoms in both male and female patients with a wide variety of cancer diagnoses, stages of illness, and ages.
Michael Speca, PsyD, Linda E. Carlson, PhD, Eileen Goodey, MSW and Maureen Angen, PhD The Effect of a Mindfulness Meditation-Based Stress Reduction Program on Mood and Symptoms of Stress in Cancer Outpatient. Psychosomatic Medicine 62:613-622 (2000)© 2000 American Psychosomatic Society