Metro Atlanta Integrative Medicine

Examples of Scientific Research Into Meditation's Effects

Meditators show higher DHEA levels.
Glaser JL, Brind JL, et al. Elevated serum dehydroepiandrosterone sulfate levels in practitioners of the Transcendental Meditation (TM) and TM-Sidhi programs. J Behav Med . 1992 Aug;15(4):327-41.


Meditating enrollees in a health insurance program showed a 1-2% annual decline in costs compared to > 11% increase in control group.
Herron, R. E., Hillis, S. L. (2000). The Impact of the Transcendental Meditation Program on Government Payments to Physicians in Quebec: An Update. American Journal of Health Promotion, 14(5), 284-291. Abstract


IBS patients practicing 15 minutes of meditation twice daily  showed reduction in most symptoms
Keefer L, Blanchard, EB. The effects of relaxation response meditation on the symptoms of irritable bowel syndrome: results of a controlled treatment study.
Behav Res Ther, 2001 Jul;39(7):801-11.

Keefer L; Blanchard EB. A one year follow-up of relaxation response meditation as a treatment for irritable bowel syndrome. Behav Res Ther. 2002 

For abstracts of Keefer's studies:May;40(5):541-6.http://www.healingdigestivedis


Meditators exhibit lower stress horomone responses to challenges.
MacLean, C., et al. Effects of the Transcendental Meditation program on adaptive mechanisms: changes in hormone levels and responses to stress after 4 months of practice. Psychoneuroendocrinology. 1997 May;22(4):277-95.


Inner city patients taught mindfulness meditation utilized less medical care.
Roth, B. Mindfulness-based stress reduction in the inner city. Advances in Mind-Body Medicine (1997) 13:50-58.


Meditation improves mood in cancer patients.
Speca, M., Carlson, L. E., Goodey, E., & Angen, M. (2000). 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. Psychosom.Med., 62, 613-622.


Meditators show younger biomarkers (Blood Pressure, hearing, and vision). 
Wallace, R., et al. The effects of the transcendental meditation and TM-Sidhi program on the aging process. Int J Neurosci. 1982 Feb;16(1):53-8.


Heart patients taught meditation show improved exercise tolerance. 
J W Zamarra, R H Schneider, I Besseghini, D K Robinson, and J W Salerno.  Usefulness of the transcendental meditation program in the treatment of patients with coronary artery disease.  Am J Cardiol. 1996 April 15; 77(10): 867–870. doi:10.1016/S0002-9149(97)89184-9.


Meditation reduces ambulatory Blood Pressure. 
Wenneberg SR, Schneider RH, Walton KG et al. A controlled study of the effects of the Transcendental Meditation program on cardiovascular reactivity and ambulatory blood pressure. Int J Neurosci 1997 Jan; 89(1-2):15-28

for summary: 

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