1 2531 125 YOGA EFFECTS ON BRAIN HEALTH: A SYSTEMATIC REVIEW OF THE CURRENT LITERATURE. YOGA IS THE MOST POPULAR COMPLEMENTARY HEALTH APPROACH PRACTICED BY ADULTS IN THE UNITED STATES. IT IS AN ANCIENT MIND AND BODY PRACTICE WITH ORIGINS IN INDIAN PHILOSOPHY. YOGA COMBINES PHYSICAL POSTURES, RHYTHMIC BREATHING AND MEDITATIVE EXERCISE TO OFFER THE PRACTITIONERS A UNIQUE HOLISTIC MIND-BODY EXPERIENCE. WHILE THE HEALTH BENEFITS OF PHYSICAL EXERCISE ARE WELL ESTABLISHED, IN RECENT YEARS, THE ACTIVE ATTENTIONAL COMPONENT OF BREATHING AND MEDITATION PRACTICE HAS GARNERED INTEREST AMONG EXERCISE NEUROSCIENTISTS. AS THE SCIENTIFIC EVIDENCE FOR THE PHYSICAL AND MENTAL HEALTH BENEFITS OF YOGA CONTINUES TO GROW, THIS ARTICLE AIMS TO SUMMARIZE THE CURRENT KNOWLEDGE OF YOGA PRACTICE AND ITS DOCUMENTED POSITIVE EFFECTS FOR BRAIN STRUCTURE AND FUNCTION, AS ASSESSED WITH MRI, FMRI, AND SPECT. WE REVIEWED 11 STUDIES EXAMINING THE EFFECTS OF YOGA PRACTICE ON THE BRAIN STRUCTURES, FUNCTION AND CEREBRAL BLOOD FLOW. COLLECTIVELY, THE STUDIES DEMONSTRATE A POSITIVE EFFECT OF YOGA PRACTICE ON THE STRUCTURE AND/OR FUNCTION OF THE HIPPOCAMPUS, AMYGDALA, PREFRONTAL CORTEX, CINGULATE CORTEX AND BRAIN NETWORKS INCLUDING THE DEFAULT MODE NETWORK (DMN). THE STUDIES OFFER PROMISING EARLY EVIDENCE THAT BEHAVIORAL INTERVENTIONS LIKE YOGA MAY HOLD PROMISE TO MITIGATE AGE-RELATED AND NEURODEGENERATIVE DECLINES AS MANY OF THE REGIONS IDENTIFIED ARE KNOWN TO DEMONSTRATE SIGNIFICANT AGE-RELATED ATROPHY. 2019 2 1051 36 EFFECTS OF YOGA ON BRAIN WAVES AND STRUCTURAL ACTIVATION: A REVIEW. PREVIOUS RESEARCH HAS SHOWN THE VAST MENTAL AND PHYSICAL HEALTH BENEFITS ASSOCIATED WITH YOGA. YOGA PRACTICE CAN BE DIVIDED INTO SUBCATEGORIES THAT INCLUDE POSTURE-HOLDING EXERCISE (ASANA), BREATHING (PRANAYAMA, KRIYA), AND MEDITATION (SAHAJ) PRACTICE. STUDIES MEASURING MENTAL HEALTH OUTCOMES HAVE SHOWN DECREASES IN ANXIETY, AND INCREASES IN COGNITIVE PERFORMANCE AFTER YOGA INTERVENTIONS. SIMILAR STUDIES HAVE ALSO SHOWN COGNITIVE ADVANTAGES AMONGST YOGA PRACTITIONERS VERSUS NON-PRACTITIONERS. THE MENTAL HEALTH AND COGNITIVE BENEFITS OF YOGA ARE EVIDENT, BUT THE PHYSIOLOGICAL AND STRUCTURAL CHANGES IN THE BRAIN THAT LEAD TO THIS REMAIN A TOPIC THAT LACKS CONSENSUS. THEREFORE, THE PURPOSE OF THIS STUDY WAS TO EXAMINE AND REVIEW EXISTING LITERATURE ON THE EFFECTS OF YOGA ON BRAIN WAVES AND STRUCTURAL CHANGES AND ACTIVATION. AFTER A NARROWED SEARCH THROUGH A SET OF SPECIFIC INCLUSION AND EXCLUSION CRITERIA, 15 ARTICLES WERE USED IN THIS REVIEW. IT WAS CONCLUDED THAT BREATHING, MEDITATION, AND POSTURE-BASED YOGA INCREASED OVERALL BRAIN WAVE ACTIVITY. INCREASES IN GRAYGRAY MATTER ALONG WITH INCREASES IN AMYGDALA AND FRONTAL CORTEX ACTIVATION WERE EVIDENT AFTER A YOGA INTERVENTION. YOGA PRACTICE MAY BE AN EFFECTIVE ADJUNCTIVE TREATMENT FOR A CLINICAL AND HEALTHY AGING POPULATION. FURTHER RESEARCH CAN EXAMINE THE EFFECTS OF SPECIFIC BRANCHES OF YOGA ON A DESIGNATED CLINICAL POPULATION. 2015 3 2369 39 WHAT ARE THE KNOWN EFFECTS OF YOGA ON THE BRAIN IN RELATION TO MOTOR PERFORMANCES, BODY AWARENESS AND PAIN? A NARRATIVE REVIEW. OBJECTIVE: THE CURRENT BODY OF LITERATURE WAS REVIEWED TO EVALUATE THE EFFECTS OF YOGA ON THE BRAIN IN RELATION TO MOTOR PERFORMANCE, BODY AWARENESS AND PAIN. BACKGROUND: YOGA HAS BEEN INCREASINGLY POPULAR IN THE WESTERN COUNTRIES ESPECIALLY FOR ITS UNIQUE INTEGRATION OF THE MIND AND BODY. YOGA HAS BEEN STUDIED MORE INTENSELY IN THE LAST DECADE. ALTHOUGH IT HAS BEEN SHOWN TO IMPROVE COGNITIVE FUNCTIONS, FEW STUDIES HAVE LOOKED INTO THE EFFECTS OF YOGA ON IMPROVING MOTOR PERFORMANCE, BODY AWARENESS OR PAIN AND THE POSSIBLE UNDERLYING BRAIN MECHANISMS ASSOCIATED WITH THEM. METHODS: A SEARCH OF THE CURRENT LITERATURE WAS MADE USING KEYWORDS SUCH AS: "YOGA BRAIN MOTOR", "YOGA BRAIN PAIN", "EFFECTS YOGA BRAIN" AND "EFFECTS YOGA BRAIN MOTOR PERFORMANCE". THE FINDINGS WERE THEN DISCUSSED IN RELATION TO MOTOR PERFORMANCE, BODY AWARENESS AND PAIN AND THEIR REPORTED MECHANISMS OF ACTION ON THE BRAIN. RESULTS: A TOTAL OF 61 ARTICLES WERE SELECTED, OUT OF WHICH 29 WERE EXCLUDED BECAUSE THEY DID NOT MEET OUR CRITERIA. A TOTAL OF THIRTY-TWO ARTICLES WERE INCLUDED IN THIS REVIEW, WHICH WE FURTHER SUBDIVIDED BY FOCUS: MOTOR PERFORMANCE (N=10), BODY AWARENESS (N=14) AND PAIN (N=8). DISCUSSION: OUR REVIEW SHOWS THAT YOGA HAS A POSITIVE EFFECT ON LEARNING RATE, SPEED AND ACCURACY OF A MOTOR TASK BY INCREASING ATTENTION AND DECREASING STRESS THROUGH A BETTER CONTROL OF SENSORIMOTOR RHYTHMS. YOGA ALSO SEEMS TO IMPROVE SENSORY AWARENESS AND INTEROCEPTION, REGULATE AUTONOMIC INPUT, INCREASE PARASYMPATHETIC ACTIVITY AND PROMOTE SELF-REGULATION. YOGA WAS ALSO SHOWN TO REDUCE THE THREAT SIGNAL, INCREASE PAIN TOLERANCE, DECREASE PAIN UNPLEASANTNESS AND DECREASE THE ANXIETY AND DISTRESS ASSOCIATED WITH PAIN. THOSE CHANGES ARE ASSOCIATED WITH THE RECRUITMENT OF SPECIFIC BRAIN AREAS SUCH AS THE INSULA, THE AMYGDALA AND THE HIPPOCAMPUS. CONCLUSION: BASED ON THE STUDIES REVIEWED IN THIS REPORT, WE FOUND THAT THE PRACTICE OF YOGA SEEMS TO FACILITATE MOTOR LEARNING, TO INCREASE BODY AWARENESS AND TO DECREASE PAIN. THESE ARE ASSOCIATED WITH A WIDE VARIETY OF CHANGES IN TERMS OF BRAIN ACTIVITY AND STRUCTURE. FURTHER STUDIES ARE NECESSARY TO REVEAL ITS PRECISE MECHANISM OF ACTION ON THE BRAIN AND TO VALIDATE ITS WIDER APPLICATION IN CLINICAL SETTINGS. 2019 4 1590 24 MEDITATION AND YOGA CAN MODULATE BRAIN MECHANISMS THAT AFFECT BEHAVIOR AND ANXIETY-A MODERN SCIENTIFIC PERSPECTIVE. MEDITATION AND YOGA TECHNIQUES ARE RECEIVING INCREASED ATTENTION THROUGHOUT THE WORLD, DUE TO THE ACCUMULATION OF EVIDENCE BASED RESEARCH THAT PROVES THE DIRECT AND INDIRECT BENEFITS OF SUCH PRACTICES. BASED ON STUDIES CONDUCTED SO FAR, IT HAS BEEN FOUND THAT THE PRACTICE OF MEDITATION TRIGGERS NEUROTRANSMITTERS THAT MODULATE PSYCHOLOGICAL DISORDERS SUCH AS ANXIETY. THIS PAPER WILL REVIEW THE PSYCHOLOGICAL EFFECTS OF THE PRACTICE OF MEDITATION, THE ROLE OF NEUROTRANSMITTERS, AND STUDIES USING EEG AND FMRI. 2015 5 1983 42 SLEEP, COGNITION, AND YOGA. STRESS IS ONE OF THE MAJOR PROBLEMS GLOBALLY, ASSOCIATED WITH POOR SLEEP QUALITY AND COGNITIVE DYSFUNCTION. MODERN SOCIETY IS PLAGUED BY SLEEP DISTURBANCES, EITHER DUE TO PROFESSIONAL DEMANDS OR LIFESTYLE OR BOTH THE ASPECTS, OFTEN LEADING TO REDUCED ALERTNESS AND COMPROMISED MENTAL FUNCTION, BESIDES THE WELL DOCUMENTED ILL EFFECTS OF DISTURBED SLEEP ON PHYSIOLOGICAL FUNCTIONS. THIS PERTINENT ISSUE NEEDS TO BE ADDRESSED. YOGA IS AN ANCIENT INDIAN SCIENCE, PHILOSOPHY AND WAY OF LIFE. RECENTLY, YOGA PRACTICE HAS BECOME INCREASINGLY POPULAR WORLDWIDE. YOGA PRACTICE IS AN ADJUNCT EFFECTIVE FOR STRESS, SLEEP AND ASSOCIATED DISORDERS. THERE ARE LIMITED WELL CONTROLLED PUBLISHED STUDIES CONDUCTED IN THIS AREA. WE REVIEWED THE AVAILABLE LITERATURE INCLUDING THE EFFECT OF MODERN LIFESTYLE IN CHILDREN, ADOLESCENTS, ADULTS AND GERIATRIC POPULATION. THE ROLE OF YOGA AND MEDITATION IN OPTIMIZING SLEEP ARCHITECTURE AND COGNITIVE FUNCTIONS LEADING TO OPTIMAL BRAIN FUNCTIONING IN NORMAL AND DISEASED STATE IS DISCUSSED. WE INCLUDED ARTICLES PUBLISHED IN ENGLISH WITH NO FIXED TIME DURATION FOR LITERATURE SEARCH. LITERATURE WAS SEARCHED MAINLY BY USING PUBMED AND SCIENCE DIRECT SEARCH ENGINES AND CRITICALLY EXAMINED. STUDIES HAVE REVEALED POSITIVE EFFECTS OF YOGA ON SLEEP AND COGNITIVE SKILLS AMONG HEALTHY ADULTS AS WELL AS PATIENTS OF SOME NEUROLOGICAL DISEASES. FURTHER, ON EVALUATING THE PUBLISHED STUDIES, IT IS CONCLUDED THAT SLEEP AND COGNITIVE FUNCTIONS ARE OPTIMIZED BY YOGA PRACTICE, WHICH BRINGS ABOUT CHANGES IN AUTONOMIC FUNCTION, STRUCTURAL CHANGES, CHANGES IN METABOLISM, NEUROCHEMISTRY AND IMPROVED FUNCTIONAL BRAIN NETWORK CONNECTIVITY IN KEY REGIONS OF THE BRAIN. 2021 6 203 22 A REVIEW OF THE LITERATURE EXAMINING THE PHYSIOLOGICAL PROCESSES UNDERLYING THE THERAPEUTIC BENEFITS OF HATHA YOGA. AN ESTIMATED 7.4 MILLION AMERICANS CURRENTLY PRACTICE HATHA YOGA. MOREOVER, 64% OF INDIVIDUALS WHO PRACTICE YOGA REPORT DOING SO FOR WELL-BEING. PREVIOUS RESEARCH HAS REPORTED AN ASSOCIATION BETWEEN YOGA PRACTICE AND SUBJECTIVE WELL-BEING; HOWEVER, FEW STUDIES HAVE INVESTIGATED THE PHYSIOLOGICAL MECHANISMS INVOLVED. THE FOLLOWING REVIEW PROVIDES AN HISTORICAL OVERVIEW OF THE FIELD OF INTEGRATIVE MEDICINE, WHICH CONCEPTUALIZES YOGA AS A MIND-BODY PRACTICE. A BRIEF DESCRIPTION OF HATHA YOGA IS PROVIDED THAT DESCRIBES THE PURPORTED RELATIONSHIP BETWEEN YOGA AND THE RELAXATION RESPONSE. A REVIEW OF THE EMERGING LITERATURE RELATED TO NITRIC OXIDE AND OXIDATIVE STRESS AS POTENTIAL MECHANISMS IN THE RELATIONSHIP BETWEEN YOGA AND WELL-BEING ALSO IS INCLUDED. THE ARTICLE CONCLUDES WITH A BRIEF DISCUSSION OF THE STATE OF THE RESEARCH AND PROVIDES SUGGESTIONS FOR FUTURE STUDIES. 2008 7 2126 39 THE EFFECTIVENESS OF YOGA FOR DEPRESSION: A CRITICAL LITERATURE REVIEW. IN THE UNITED STATES, THE PREVALENCE OF DEPRESSION IS QUITE HIGH-9% IN THE GENERAL POPULATION-WITH WOMEN, YOUNG ADULTS, AND SENIORS PARTICULARLY VULNERABLE. IN RECENT YEARS, INCREASING NUMBERS OF PEOPLE ARE TURNING TO COMPLEMENTARY AND ALTERNATIVE MEDICINE (CAM) FOR RELIEF FROM DEPRESSION AND OTHER MENTAL HEALTH PROBLEMS. ONE FORM OF CAM, YOGA, HAS BEEN GROWING IN POPULARITY; THIS RISE IN POPULARITY HAS, IN PART, BEEN DRIVEN BY INTEREST IN HOW THIS PRACTICE, WITH ITS MINDFULNESS AND MEDITATION ASPECTS, MAY DECREASE DEPRESSION. THIS CRITICAL LITERATURE REVIEW EXAMINES SIX RECENT STUDIES ON YOGA AS AN INTERVENTION; SPECIFICALLY, THIS REVIEW FOCUSES ON YOGA STYLES IN WHICH THE PRACTICE OF YOGA POSES, CALLED ASANAS, IS THE CORE COMPONENT. ALTHOUGH THE SIGNIFICANT POSITIVE FINDINGS ARE PROMISING, THE STUDIES HAD METHODOLOGICAL LIMITATIONS; IDENTIFICATION OF THESE LIMITATIONS CAN INFORM FUTURE STUDIES. 2014 8 2429 38 YOGA AND PHYSICAL EXERCISE - A REVIEW AND COMPARISON. YOGA IS A MULTIFACETED SPIRITUAL TOOL WITH ENHANCED HEALTH AND WELL-BEING AS ONE OF ITS POSITIVE EFFECTS. THE COMPONENTS OF YOGA WHICH ARE VERY COMMONLY APPLIED FOR HEALTH BENEFITS ARE ASANAS (PHYSICAL POSTURES), PRANAYAMA (REGULATED BREATHING) AND MEDITATION. IN THE CONTEXT OF ASANAS, YOGA RESEMBLES MORE OF A PHYSICAL EXERCISE, WHICH MAY LEAD TO THE PERCEPTION THAT YOGA IS ANOTHER KIND OF PHYSICAL EXERCISE. THIS ARTICLE AIMS AT EXPLORING THE COMMONALITIES AND DIFFERENCES BETWEEN YOGA AND PHYSICAL EXERCISE IN TERMS OF CONCEPTS, POSSIBLE MECHANISMS AND EFFECTIVENESS FOR HEALTH BENEFITS. A NARRATIVE REVIEW IS UNDERTAKEN BASED ON TRADITIONAL AND CONTEMPORARY LITERATURE FOR YOGA, ALONG WITH SCIENTIFIC ARTICLES AVAILABLE ON YOGA AND EXERCISE INCLUDING HEAD-TO-HEAD COMPARATIVE TRIALS WITH HEALTHY VOLUNTEERS AND PATIENTS WITH VARIOUS DISEASE CONDITIONS. PHYSICAL EXERCISES AND THE PHYSICAL COMPONENTS OF YOGA PRACTICES HAVE SEVERAL SIMILARITIES, BUT ALSO IMPORTANT DIFFERENCES. EVIDENCE SUGGESTS THAT YOGA INTERVENTIONS APPEAR TO BE EQUAL AND/OR SUPERIOR TO EXERCISE IN MOST OUTCOME MEASURES. EMPHASIS ON BREATH REGULATION, MINDFULNESS DURING PRACTICE, AND IMPORTANCE GIVEN TO MAINTENANCE OF POSTURES ARE SOME OF THE ELEMENTS WHICH DIFFERENTIATE YOGA PRACTICES FROM PHYSICAL EXERCISES. 2016 9 406 38 BIOLOGICAL MARKERS FOR THE EFFECTS OF YOGA AS A COMPLEMENTARY AND ALTERNATIVE MEDICINE. FROM THE LAST FEW DECADES, THERE ARE INCREASING INCIDENCES OF DISORDERS LIKE PREMATURE AGING, CARDIOVASCULAR DISEASE, MULTIPLE SCLEROSIS, FIBROMYALGIA, AND ALZHEIMER'S DISEASE IN ADDITION TO MEDICATION, RESEARCHERS HAVE FOUND THAT YOGA, A MIND-BODY THERAPY, CAN BE USED AS AN ALTERNATIVE MEDICINE. YOGA COMBINES SPECIFIC PHYSICAL POSTURES, BREATHING TECHNIQUES, RELAXATION AND MEDITATION THAT IMPROVE MENTAL AND PHYSICAL HEALTH OF THE BODY. THE PURPOSE OF THIS REVIEW IS TO COLLATE THE RESEARCH EVIDENCES CLAIMING HEALTH BENEFITS OF PERFORMING TRADITIONAL YOGIC PRACTICES. WHAT ARE THE BIOLOGICAL AND OTHER RELIABLE INDICATORS TO SUGGEST THAT DOING ASANAS, PRANAYAMA, AND MEDITATION COULD REDUCE OR TREAT WIDE RANGE OF LIFE STYLE DISORDERS ARE DISCUSSED. IMPORTANTLY, THESE INDICATORS ARE OTHERWISE USED TO ASSESS THE SEVERITY OF DISORDERS. IN MANY OF THE STUDY IT HAS BEEN SHOWN THAT YOGA IMPROVES THE REDOX HEALTH OF BODY WHOSE IMBALANCE HAS BEEN WELL PROVEN TO CAUSE MANY HEALTH COMPLICATIONS. THE IMPACT OF YOGA ON NEURODEGENERATIVE DISEASES HAVE REVEALED THAT IT REVERSES MEMORY LOSS, REDUCE ANXIETY, DEPRESSION AND STRESS, THE BIOLOGICAL INDICATORS OF DISEASE. HOWEVER, MOST STUDIES HAVE SEVERAL LIMITATIONS AND THEREFORE FURTHER RESEARCH INTO YOGA IS NEEDED TO VALIDATE THESE FINDINGS. 2019 10 1218 28 EXPLORING THE THERAPEUTIC EFFECTS OF YOGA AND ITS ABILITY TO INCREASE QUALITY OF LIFE. THE OBJECTIVE OF THIS STUDY IS TO ASSESS THE FINDINGS OF SELECTED ARTICLES REGARDING THE THERAPEUTIC EFFECTS OF YOGA AND TO PROVIDE A COMPREHENSIVE REVIEW OF THE BENEFITS OF REGULAR YOGA PRACTICE. AS PARTICIPATION RATES IN MIND-BODY FITNESS PROGRAMS SUCH AS YOGA CONTINUE TO INCREASE, IT IS IMPORTANT FOR HEALTH CARE PROFESSIONALS TO BE INFORMED ABOUT THE NATURE OF YOGA AND THE EVIDENCE OF ITS MANY THERAPEUTIC EFFECTS. THUS, THIS MANUSCRIPT PROVIDES INFORMATION REGARDING THE THERAPEUTIC EFFECTS OF YOGA AS IT HAS BEEN STUDIED IN VARIOUS POPULATIONS CONCERNING A MULTITUDE OF DIFFERENT AILMENTS AND CONDITIONS. THERAPEUTIC YOGA IS DEFINED AS THE APPLICATION OF YOGA POSTURES AND PRACTICE TO THE TREATMENT OF HEALTH CONDITIONS AND INVOLVES INSTRUCTION IN YOGIC PRACTICES AND TEACHINGS TO PREVENT REDUCE OR ALLEVIATE STRUCTURAL, PHYSIOLOGICAL, EMOTIONAL AND SPIRITUAL PAIN, SUFFERING OR LIMITATIONS. RESULTS FROM THIS STUDY SHOW THAT YOGIC PRACTICES ENHANCE MUSCULAR STRENGTH AND BODY FLEXIBILITY, PROMOTE AND IMPROVE RESPIRATORY AND CARDIOVASCULAR FUNCTION, PROMOTE RECOVERY FROM AND TREATMENT OF ADDICTION, REDUCE STRESS, ANXIETY, DEPRESSION, AND CHRONIC PAIN, IMPROVE SLEEP PATTERNS, AND ENHANCE OVERALL WELL-BEING AND QUALITY OF LIFE. 2011 11 2179 38 THE EFFECTS OF YOGA ON PATIENTS WITH MILD COGNITIVE IMPAIRMENT AND DEMENTIA: A SCOPING REVIEW. YOGA IS AN ANCIENT MIND BODY PRACTICE. ALTHOUGH YOGA HAS BEEN USED AS A COMPLEMENTARY HEALTH APPROACH FOR ENHANCING WELLNESS AND ADDRESSING A VARIETY OF HEALTH ISSUES, LITTLE IS KNOWN ABOUT THE IMPACT OF YOGA ON COGNITIVE FUNCTIONING IN ADULTS WITH MILD COGNITIVE IMPAIRMENT (MCI) AND DEMENTIA. WE CONDUCTED A LITERATURE REVIEW TO EXAMINE THE IMPACT OF YOGA ON PERSONS WITH MCI AND DEMENTIA. EIGHT STUDIES WERE IDENTIFIED THAT REPORTED ON YOGA AS EITHER THE PRIMARY INTERVENTION OR ONE COMPONENT OF A MULTI-COMPONENT INTERVENTION IN SAMPLES OF PERSONS WITH MCI OR DEMENTIA. RESULTS SUGGEST THAT YOGA MAY HAVE BENEFICIAL EFFECTS ON COGNITIVE FUNCTIONING, PARTICULARLY ON ATTENTION AND VERBAL MEMORY. FURTHER, YOGA MAY AFFECT COGNITIVE FUNCTIONING THROUGH IMPROVED SLEEP, MOOD, AND NEURAL CONNECTIVITY. THERE ARE A NUMBER OF LIMITATIONS OF THE EXISTING STUDIES, INCLUDING A LACK OF INTERVENTION DETAILS, AS WELL AS VARIABILITY IN THE FREQUENCY/DURATION AND COMPONENTS OF THE YOGA INTERVENTIONS. A FURTHER COMPLICATING ISSUE IS THE ROLE OF VARIOUS UNDERLYING ETIOLOGIES OF COGNITIVE IMPAIRMENT. DESPITE THESE LIMITATIONS, PROVIDERS MAY CONSIDER RECOMMENDING YOGA TO PERSONS WITH MCI OR DEMENTIA AS A SAFE AND POTENTIALLY BENEFICIAL COMPLEMENTARY HEALTH APPROACH. 2019 12 1337 28 HOW DOES YOGA REDUCE STRESS? A SYSTEMATIC REVIEW OF MECHANISMS OF CHANGE AND GUIDE TO FUTURE INQUIRY. YOGA IS INCREASINGLY USED IN CLINICAL SETTINGS FOR A VARIETY OF MENTAL AND PHYSICAL HEALTH ISSUES, PARTICULARLY STRESS-RELATED ILLNESSES AND CONCERNS, AND HAS DEMONSTRATED PROMISING EFFICACY. YET THE WAYS IN WHICH YOGA REDUCES STRESS REMAIN POORLY UNDERSTOOD. TO EXAMINE THE EMPIRICAL EVIDENCE REGARDING THE MECHANISMS THROUGH WHICH YOGA REDUCES STRESS, WE CONDUCTED A SYSTEMATIC REVIEW OF THE LITERATURE, INCLUDING ANY YOGA INTERVENTION THAT MEASURED STRESS AS A PRIMARY DEPENDENT VARIABLE AND TESTED A MECHANISM OF THE RELATIONSHIP WITH MEDIATION. OUR ELECTRONIC DATABASE SEARCH YIELDED 926 ABSTRACTS, OF WHICH 71 WERE CHOSEN FOR FURTHER INSPECTION AND 5 WERE SELECTED FOR THE FINAL SYSTEMATIC REVIEW. THESE FIVE STUDIES EXAMINED THREE PSYCHOLOGICAL MECHANISMS (POSITIVE AFFECT, MINDFULNESS AND SELF-COMPASSION) AND FOUR BIOLOGICAL MECHANISMS (POSTERIOR HYPOTHALAMUS, INTERLEUKIN-6, C-REACTIVE PROTEIN AND CORTISOL). POSITIVE AFFECT, SELF-COMPASSION, INHIBITION OF THE POSTERIOR HYPOTHALAMUS AND SALIVARY CORTISOL WERE ALL SHOWN TO MEDIATE THE RELATIONSHIP BETWEEN YOGA AND STRESS. IT IS STRIKING THAT THE LITERATURE DESCRIBING POTENTIAL MECHANISMS IS GROWING RAPIDLY, YET ONLY SEVEN MECHANISMS HAVE BEEN EMPIRICALLY EXAMINED; MORE RESEARCH IS NECESSARY. ALSO, FUTURE RESEARCH OUGHT TO INCLUDE MORE RIGOROUS METHODOLOGY, INCLUDING SUFFICIENT POWER, STUDY RANDOMISATION AND APPROPRIATE CONTROL GROUPS. 2015 13 1338 27 HOW DOES YOGA REDUCE STRESS? EMBODIED COGNITION AND EMOTION HIGHLIGHT THE INFLUENCE OF THE MUSCULOSKELETAL SYSTEM. YOGA IS AN INCREASINGLY POPULAR ACTIVITY, PERHAPS BECAUSE OF ITS ASSOCIATION WITH STRESS REDUCTION AND RELAXATION - AN ASSOCIATION THAT IS GENERALLY SUPPORTED BY EMPIRICAL EVIDENCE. UNDERSTANDING OF THE MEDIATING VARIABLES IS, HOWEVER, LIMITED. GIVEN THAT, THE PURPOSE OF THIS PAPER IS TO PRESENT A THEORETICAL PERSPECTIVE THAT ENCOURAGES SYSTEMATIC RESEARCH REGARDING THE RELATIONSHIP BETWEEN YOGA, STRESS, AND MUSCULOSKELETAL ACTIVITY. THIS EMBODIED PERSPECTIVE PARALLELS POPULAR INTEREST IN THE MIND-BODY CONNECTION AND EMPHASIZES THE INFLUENCE OF BODY POSITION ON THINKING AS WELL AS EMOTION. THOSE INFLUENCES TAKE ON ADDED MEANING IN THE CONTEXT OF THE COGNITIVE APPRAISAL THEORY AND THE BIOPSYCHOSOCIAL MODEL OF CHALLENGE AND THREAT. INVESTIGATIONS OF EMBODIED COGNITION SUGGEST THAT YOGA MAY REDUCE STRESS BY AFFECTING THE WAY INDIVIDUALS APPRAISE STRESSORS. THE COMBINATION OF BODY POSITION AND COMMON COMPONENTS OF YOGA PRACTICE MAY ALSO CONTRIBUTE TO THAT EFFECT, PARTICULARLY WHEN CONSIDERING THOUGHTS ABOUT THE SELF AND FEELINGS OF CONFIDENCE. FINDINGS REGARDING EMBODIED EMOTION MAKE A SIMILAR CONTRIBUTION TO UNDERSTANDING THE IMPLICATIONS OF PREVIOUS RESEARCH FINDINGS AND COMMON YOGA PRACTICES. CONSIDERING YOGA AND STRESS FROM AN EMBODIED PERSPECTIVE ALSO HIGHLIGHTS THE ROLE OF THE MUSCULOSKELETAL SYSTEM IN THE STRESS PROCESS, LEADING TO THE QUESTION OF WHETHER YOGA INFLUENCES STRESS BY DIRECTLY INFLUENCING THE MUSCULOSKELETAL SYSTEM, INDIRECTLY BY INFLUENCING AWARENESS OF THAT SYSTEM, OR THROUGH A COMBINATION OF THE TWO. THOSE QUESTIONS, IN TURN, HIGHLIGHT THE IMPORTANCE OF EXPANDING INVESTIGATIONS OF PSYCHOLOGICAL PROCESSES, BODY POSITION, MUSCULOSKELETAL ACTIVITY DURING YOGA, AND THE INTERACTIONS BETWEEN THOSE VARIABLES. 2019 14 1587 25 MEDICAL YOGA THERAPY. MEDICAL YOGA IS DEFINED AS THE USE OF YOGA PRACTICES FOR THE PREVENTION AND TREATMENT OF MEDICAL CONDITIONS. BEYOND THE PHYSICAL ELEMENTS OF YOGA, WHICH ARE IMPORTANT AND EFFECTIVE FOR STRENGTHENING THE BODY, MEDICAL YOGA ALSO INCORPORATES APPROPRIATE BREATHING TECHNIQUES, MINDFULNESS, AND MEDITATION IN ORDER TO ACHIEVE THE MAXIMUM BENEFITS. MULTIPLE STUDIES HAVE SHOWN THAT YOGA CAN POSITIVELY IMPACT THE BODY IN MANY WAYS, INCLUDING HELPING TO REGULATE BLOOD GLUCOSE LEVELS, IMPROVE MUSCULOSKELETAL AILMENTS AND KEEPING THE CARDIOVASCULAR SYSTEM IN TUNE. IT ALSO HAS BEEN SHOWN TO HAVE IMPORTANT PSYCHOLOGICAL BENEFITS, AS THE PRACTICE OF YOGA CAN HELP TO INCREASE MENTAL ENERGY AND POSITIVE FEELINGS, AND DECREASE NEGATIVE FEELINGS OF AGGRESSIVENESS, DEPRESSION AND ANXIETY. 2017 15 2453 33 YOGA AS A COMPLEMENTARY THERAPY FOR CHILDREN AND ADOLESCENTS: A GUIDE FOR CLINICIANS. YOGA IS BEING USED BY A GROWING NUMBER OF YOUTH AND ADULTS AS A MEANS OF IMPROVING OVERALL HEALTH AND FITNESS. THERE IS ALSO A PROGRESSIVE TREND TOWARD USE OF YOGA AS A MIND-BODY COMPLEMENTARY AND ALTERNATIVE MEDICINE INTERVENTION TO IMPROVE SPECIFIC PHYSICAL AND MENTAL HEALTH CONDITIONS. TO PROVIDE CLINICIANS WITH THERAPEUTICALLY USEFUL INFORMATION ABOUT YOGA, THE EVIDENCE EVALUATING YOGA AS AN EFFECTIVE INTERVENTION FOR CHILDREN AND ADOLESCENTS WITH HEALTH PROBLEMS IS REVIEWED AND SUMMARIZED. A BRIEF OVERVIEW OF YOGA AND YOGA THERAPY IS PRESENTED ALONG WITH YOGA RESOURCES AND PRACTICAL STRATEGIES FOR CLINICAL PRACTITIONERS TO USE WITH THEIR PATIENTS. THE MAJORITY OF AVAILABLE STUDIES WITH CHILDREN AND ADOLESCENTS SUGGEST BENEFITS TO USING YOGA AS A THERAPEUTIC INTERVENTION AND SHOW VERY FEW ADVERSE EFFECTS. THESE RESULTS MUST BE INTERPRETED AS PRELIMINARY FINDINGS BECAUSE MANY OF THE STUDIES HAVE METHODOLOGICAL LIMITATIONS THAT PREVENT STRONG CONCLUSIONS FROM BEING DRAWN. YOGA APPEARS PROMISING AS A COMPLEMENTARY THERAPY FOR CHILDREN AND ADOLESCENTS. FURTHER INFORMATION ABOUT HOW TO APPLY IT MOST EFFECTIVELY AND MORE COORDINATED RESEARCH EFFORTS ARE NEEDED. 2010 16 1640 46 MOLECULAR SIGNATURE OF THE IMMUNE RESPONSE TO YOGA THERAPY IN STRESS-RELATED CHRONIC DISEASE CONDITIONS: AN INSIGHT. THE WORLD HEALTH ORGANIZATION DEFINES HEALTH AS COMPLETE WELL-BEING IN TERMS OF PHYSICAL, MENTAL AND SOCIAL, AND NOT MERELY THE ABSENCE OF DISEASE. TO ATTAIN THIS, INDIVIDUAL SHOULD ADAPT AND SELF-MANGE THE SOCIAL, PHYSICAL AND EMOTIONAL CHALLENGES OF LIFE. EXPOSURE TO CHRONIC STRESS DUE TO URBANIZATION, WORK STRESS, NUCLEAR FAMILY, POLLUTION, UNHEALTHY FOOD HABITS, LIFESTYLE, ACCIDENTAL DEATH IN THE FAMILY, AND NATURAL CALAMITIES ARE THE TRIGGERING FACTORS, LEADING TO HORMONAL IMBALANCE AND INFLAMMATION IN THE TISSUE. THE RELATIONSHIP BETWEEN STRESS AND ILLNESS IS COMPLEX; ALL CHRONIC ILLNESSES SUCH AS CARDIOVASCULAR DISEASE AND ASTHMA HAVE THEIR ROOT IN CHRONIC STRESS ATTRIBUTED BY INFLAMMATION. IN RECENT TIMES, YOGA THERAPY HAS EMERGED AS AN IMPORTANT COMPLEMENTARY ALTERNATIVE MEDICINE FOR MANY HUMAN DISEASES. YOGA THERAPY HAS A POSITIVE IMPACT ON MIND AND BODY; IT ACTS BY INCORPORATING APPROPRIATE BREATHING TECHNIQUES AND MINDFULNESS TO ATTAIN CONSCIOUS DIRECTION OF OUR AWARENESS OF THE PRESENT MOMENT BY MEDITATION, WHICH HELPS ACHIEVE HARMONY BETWEEN THE BODY AND MIND. STUDIES HAVE ALSO DEMONSTRATED THE IMPORTANT REGULATORY EFFECTS OF YOGA THERAPY ON BRAIN STRUCTURE AND FUNCTIONS. DESPITE THESE ADVANCES, THE CELLULAR AND MOLECULAR MECHANISMS BY WHICH YOGA THERAPY RENDERS ITS BENEFICIAL EFFECTS ARE INADEQUATELY KNOWN. A GROWING BODY OF EVIDENCE SUGGESTS THAT YOGA THERAPY HAS IMMUNOMODULATORY EFFECTS. HOWEVER, THE PRECISE MECHANISTIC BASIS HAS NOT BEEN ADDRESSED EMPIRICALLY. IN THIS REVIEW, WE HAVE ATTEMPTED TO HIGHLIGHT THE EFFECT OF YOGA THERAPY ON IMMUNE SYSTEM FUNCTIONING WITH AN AIM TO IDENTIFY IMPORTANT IMMUNOLOGICAL SIGNATURES THAT INDEX THE EFFECT OF YOGA THERAPY. TOWARD THIS, WE HAVE SUMMARIZED THE AVAILABLE SCIENTIFIC EVIDENCE SHOWING POSITIVE IMPACTS OF YOGA THERAPY. FINALLY, WE HAVE EMPHASIZED THE EFFICACY OF YOGA IN IMPROVING PHYSICAL AND MENTAL WELL-BEING. YOGA HAS BEEN A PART OF INDIAN CULTURE AND TRADITION FOR LONG; NOW, THE TIME HAS COME TO SCIENTIFICALLY VALIDATE THIS AND IMPLEMENT THIS AS AN ALTERNATIVE TREATMENT METHOD FOR STRESS-RELATED CHRONIC DISEASE. 2020 17 1918 25 ROLE OF YOGA AND MEDITATION AS COMPLIMENTARY THERAPEUTIC REGIME FOR STRESS-RELATED NEUROPSYCHIATRIC DISORDERS: UTILIZATION OF BRAIN WAVES ACTIVITY AS NOVEL TOOL. DURING RECENT DECADES, STRESS-RELATED NEUROPSYCHIATRIC DISORDERS SUCH AS ANXIETY, DEPRESSION, CHRONIC TENSION HEADACHE, AND MIGRAINE HAVE ESTABLISHED THEIR STRONGHOLD IN THE LIVES OF A VAST NUMBER OF PEOPLE WORLDWIDE. IN ORDER TO ADDRESS THIS GLOBAL PHENOMENON, INTENSIVE STUDIES HAVE BEEN CARRIED OUT LEADING TO THE ADVANCEMENT OF DRUGS LIKE ANTI-DEPRESSANTS, ANXIOLYTICS, AND ANALGESICS WHICH ALTHOUGH HELP IN COMBATING THE SYMPTOMS OF SUCH DISORDERS BUT ALSO CREATE LONG-TERM SIDE EFFECTS. THUS, AS AN ALTERNATIVE TO SUCH CLINICAL PRACTICES, VARIOUS COMPLEMENTARY THERAPIES SUCH AS YOGA AND MEDITATION HAVE BEEN PROVED TO BE EFFECTIVE IN ALLEVIATING THE CAUSES AND SYMPTOMS OF DIFFERENT NEUROPSYCHIATRIC DISORDERS. THE ROLE OF ALTERED BRAIN WAVES IN THIS CONTEXT HAS BEEN RECOGNIZED AND NEEDS TO BE PURSUED AT THE HIGHEST LEVEL. THUS, THE CURRENT STUDY PROVIDES A REVIEW FOCUSED ON DESCRIBING THE EFFECTS OF YOGA AND MEDITATION ON ANXIETY AND DEPRESSION AS WELL AS EXPLORING BRAIN WAVES AS A TOOL FOR ASSESSING THE POTENTIAL OF THESE COMPLEMENTARY THERAPIES FOR SUCH DISORDERS. 2020 18 2888 21 YOGA: INTUITION, PREVENTIVE MEDICINE, AND TREATMENT. MIND-BODY FITNESS PROGRAMS USE A COMBINATION OF MUSCULAR ACTIVITY AND MINDFUL FOCUS ON AWARENESS OF THE SELF, BREATH, AND ENERGY TO PROMOTE HEALTH. THE ANCIENT DISCIPLINE OF YOGA INCLUDES PHYSICAL POSTURES AND BREATHING AND MEDITATION TECHNIQUES. SCIENTIFIC EVIDENCE EXISTS ABOUT THE PHYSIOLOGIC EFFECTS OF YOGA. MIND-BODY FITNESS PROGRAMS MAY OFFER THERAPEUTIC EFFECTS DIFFERENT FROM THOSE OFFERED BY TRADITIONAL BODY FITNESS PROGRAMS. 1998 19 549 24 CONTEXTUALIZING THE EFFECTS OF YOGA THERAPY ON DIABETES MANAGEMENT: A REVIEW OF THE SOCIAL DETERMINANTS OF PHYSICAL ACTIVITY. THIS ARTICLE PROVIDES A REVIEW OF LITERATURE BOTH TO IDENTIFY THE EFFECTS OF YOGA-BASED THERAPY ON THE MANAGEMENT OF TYPE 2 DIABETES MELLITUS AND TO EXAMINE THE SOCIAL CONTEXT OF PHYSICAL ACTIVITY. FINDINGS FROM THE REVIEW INDICATE THAT YOGA HAS A POSITIVE SHORT-TERM EFFECT ON MULTIPLE DIABETES-RELATED OUTCOMES; HOWEVER, LONG-TERM EFFECTS OF YOGA THERAPY ON DIABETES MANAGEMENT REMAIN UNCLEAR. THE CONTEXT OF THE SOCIAL ENVIRONMENT, INCLUDING INTERPERSONAL RELATIONSHIPS, COMMUNITY CHARACTERISTICS, AND DISCRIMINATION, INFLUENCES THE ADOPTION AND MAINTENANCE OF HEALTH BEHAVIORS SUCH AS PHYSICAL ACTIVITY, INCLUDING YOGA PRACTICE. FURTHER RESEARCH IS NECESSARY TO DETERMINE THE EXTENT OF THIS INFLUENCE. 2008 20 2600 27 YOGA FOR OSTEOARTHRITIS: NURSING AND RESEARCH CONSIDERATIONS. OSTEOARTHRITIS (OA) IS A LEADING CAUSE OF PAIN AND DISABILITY WORLDWIDE. CURRENT TREATMENT GUIDELINES RECOMMEND NONPHARMACOLOGICAL APPROACHES SUCH AS YOGA FOR FIRSTLINE TREATMENT OF OA. YOGA IS A PROMISING MIND-BODY PRACTICE THAT INCLUDES PHYSICAL POSTURES, BREATHING PRACTICES, AND MEDITATIVE MENTAL FOCUS. THIS ARTICLE PRESENTS THE CURRENT EVIDENCE, AS WELL AS A PROPOSED CONCEPTUAL MODEL FOR FUTURE RESEARCH. CURRENT RESEARCH ON YOGA FOR OA IS SCANT BUT PROMISING, SHOWING SOME EVIDENCE OF REDUCED PAIN, SLEEP DISTURBANCE, AND DISABILITY. THE CONCEPTUAL MODEL DESCRIBED HERE PROPOSES MUSCULOSKELETAL EFFECTS (STRENGTHENING, FLEXIBILITY, RELAXATION), REDUCTION OF AUTONOMIC AROUSAL, AND THERAPEUTIC COGNITIVE PATTERNS (DISTRACTION, MINDFULNESS) AS POTENTIALLY IMPORTANT MECHANISMS OF YOGA. THIS ARTICLE ALSO DESCRIBES CONSIDERATIONS FOR PATIENTS AND HEALTH CARE PROVIDERS WHEN EVALUATING THE POTENTIAL USEFULNESS AND SAFETY OF YOGA PROGRAMS: YOGA STYLE, INSTRUCTOR QUALIFICATIONS, AND AMOUNT OF TIME SPENT IN YOGA PRACTICE. 2012