Yoga practice may have a profound effect on improved immune function against foreign invasion, particularly in age-related immune suppression in elderly individuals
Immune function is a natural reaction of the immune system in protecting our body against foreign substances, cells, and tissues through the proper expression of the immune response.
Yoga, the ancient technique practice for harmonizing external and internal body well beings, through breath control, meditation, bodily movement, and gesture..... has been best known to people in the Western world and some parts of Asia due to health benefits reported by various respectable institutes' research and supported by health advocates.
In the study to evaluate the effect of yoga on mucosal immune function and mental stress with saliva samples collected from 23 adult women (age: 60.4 ± 10.4 years) before and after 90 minutes of yoga stretching or rest researchers found that
1. Yoga group expressed a significantly higher immunoglobulin A (SIgA)(a subclass of Immunoglobulin A (IgA) plays an important role in the immune function of mucous membranes)
concentration and secretion rate after yoga than before and in compared to control
2. The levels of cortisol( higher levels of cortisol caused by stress have a negative effect on the immune system) concentration and secretion rate were lower and testosterone(which plays an important role in immune function in reducing the risk of autoimmune disease) secretion rate higher after yoga.
After further analysis and taking into account other co-founders, researchers said, " Yoga stretching can reduce stress and enhance mucosal immune function in elderly women."
Mucosal immune function is the first line of defense of the immune system against antigens and infection and in regulated immune overreaction from unharmful sources.
According to general belief, yoga twist, compress and standing posts exercise play an important role in ameliorated alterations in the number of immune cells and cytokine dysregulation through lowering stress hormones production.
Additionally, the exercises are also found to improve energy and energy balancing in the body which are necessary for the immune system to function properly.
In the concerns of yoga expression in enhanced immune system through a number of mechanisms, researchers at Daejeon University conducted a study in healthy adults, to highlight the beneficial effects of yoga practice on bio-parameters related to immune expression and found that
1. The yoga group expressed significantly reduced levels of relative oxygen species(ROS), including include peroxides, superoxide, hydroxyl radical, and singlet oxygen through regulating cellular metabolism in the production of ROS which have been found to have a direct influence on T cells activation, apoptosis, and immune hyporesponsiveness.
2. Yoga group demonstrated an improvement of immunity in increased levels of antioxidant in compared to control, through the effects of free radical scavengers in reduced cellular damage caused by overexpression of ROS in inducing inflammation.
3. Yoga practice also significantly increased immune-related cytokines, such as interleukin-12, and interferon-γ,....which play an important role in reduced risk of inflammatory and autoimmune diseases, including diabetes, atherosclerosis, rheumatic arthritis, and cancer.
4. The levels of plasma levels of adrenalin were reduced and serotonin was increased in the yoga group compared with the control group.
Elevation of plasma levels of adrenalin caused by stress may suppress the immune system and increased levels of serotonin showed an opposite effect in increased killing ability of natural killer (NK) cells.
After taking into account of other co-founders, Dr. Lim SA, the led researcher said, "Regular yoga practice remarkably attenuated oxidative stress (caused by an imbalance of between the production of free radicals and antioxidants) and improved antioxidant levels of the body. Moreover, yoga beneficially affected stress hormone releases as well as partially improved immune function".
2. Yoga group demonstrated an improvement of immunity in increased levels of antioxidant in compared to control, through the effects of free radical scavengers in reduced cellular damage caused by overexpression of ROS in inducing inflammation.
3. Yoga practice also significantly increased immune-related cytokines, such as interleukin-12, and interferon-γ,....which play an important role in reduced risk of inflammatory and autoimmune diseases, including diabetes, atherosclerosis, rheumatic arthritis, and cancer.
4. The levels of plasma levels of adrenalin were reduced and serotonin was increased in the yoga group compared with the control group.
Elevation of plasma levels of adrenalin caused by stress may suppress the immune system and increased levels of serotonin showed an opposite effect in increased killing ability of natural killer (NK) cells.
After taking into account of other co-founders, Dr. Lim SA, the led researcher said, "Regular yoga practice remarkably attenuated oxidative stress (caused by an imbalance of between the production of free radicals and antioxidants) and improved antioxidant levels of the body. Moreover, yoga beneficially affected stress hormone releases as well as partially improved immune function".
More importantly, in the review on the effects of yoga poses on psychological conditions including anxiety and depression, pain syndromes, cardiovascular, autoimmune, and immune conditions, and on pregnancy.
Dr. Field T, at the University of Miami School of Medicine, opinionated that yoga intervention induced less production of cortisol, the hormone that has a negative effect on the immune system due to stress may indeed have a profound effect in enhanced immune cellular function, particularly in psychological conditions in regulating the autoimmune and immune conditions.
Taking it all together, There is no doubt that yoga practice may have a therapeutic effect in improved immune function against foreign substances, cells, and tissues through a number of mechanisms involving different pathways.
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Author Biography
Kyle J. Norton, Master of Nutrition
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, health blogs, self-growth, best before it's news, the Karate GB Daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as the international journal Pharma and Bio science, ISSN 0975-6299.
Sources
(1) Yoga stretching for improving salivary immune function and mental stress in middle-aged and older adults by Eda N1, Ito H2, Shimizu K3, Suzuki S4, Lee E4, Akama T1.(PubMed)
(2) Regular Yoga Practice Improves Antioxidant Status, Immune Function, and Stress Hormone Releases in Young Healthy People: A Randomized, Double-Blind, Controlled Pilot Study by Lim SA1, Cheong KJ1.(PubMed)
(3) Yoga clinical research review by Field T1.(PubMed)
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