1 226 119 A SYSTEMATIC REVIEW OF RANDOMISED CONTROL TRIALS ON THE EFFECTS OF YOGA ON STRESS MEASURES AND MOOD. STRESS RELATED DISORDERS SUCH AS DEPRESSION AND ANXIETY ARE LEADING SOURCES OF DISABILITY WORLDWIDE, AND CURRENT TREATMENT METHODS SUCH AS CONVENTIONAL ANTIDEPRESSANT MEDICATIONS ARE NOT BENEFICIAL FOR ALL INDIVIDUALS. THERE IS EVIDENCE THAT YOGA HAS MOOD-ENHANCING PROPERTIES POSSIBLY RELATED TO ITS INHIBITORY EFFECTS ON PHYSIOLOGICAL STRESS AND INFLAMMATION, WHICH ARE FREQUENTLY ASSOCIATED WITH AFFECTIVE DISORDERS. HOWEVER THE BIOLOGICAL MECHANISMS VIA WHICH YOGA EXERTS ITS THERAPEUTIC MOOD-MODULATING EFFECTS ARE LARGELY UNKNOWN. THIS SYSTEMATIC REVIEW INVESTIGATES THE EFFECTS OF YOGA ON SYMPATHETIC NERVOUS SYSTEM AND HYPOTHALAMIC PITUITARY ADRENAL AXIS REGULATION MEASURES. IT FOCUSES ON STUDIES COLLECTING PHYSIOLOGICAL PARAMETERS SUCH AS BLOOD PRESSURE, HEART RATE, CORTISOL, PERIPHERAL CYTOKINE EXPRESSION AND/OR STRUCTURAL AND FUNCTIONAL BRAIN MEASURES IN REGIONS INVOLVED IN STRESS AND MOOD REGULATION. OVERALL THE 25 RANDOMISED CONTROL STUDIES DISCUSSED PROVIDE PRELIMINARY EVIDENCE TO SUGGEST THAT YOGA PRACTICE LEADS TO BETTER REGULATION OF THE SYMPATHETIC NERVOUS SYSTEM AND HYPOTHALAMIC-PITUITARY-ADRENAL SYSTEM, AS WELL AS A DECREASE IN DEPRESSIVE AND ANXIOUS SYMPTOMS IN A RANGE OF POPULATIONS. FURTHER RESEARCH IS WARRANTED TO CONFIRM THESE PRELIMINARY FINDINGS AND FACILITATE IMPLEMENTATION IN CLINICAL SETTINGS. 2015 2 2516 29 YOGA CLINICAL RESEARCH REVIEW. IN THIS PAPER RECENT RESEARCH IS REVIEWED ON THE EFFECTS OF YOGA POSES ON PSYCHOLOGICAL CONDITIONS INCLUDING ANXIETY AND DEPRESSION, ON PAIN SYNDROMES, CARDIOVASCULAR, AUTOIMMUNE AND IMMUNE CONDITIONS AND ON PREGNANCY. FURTHER, THE PHYSIOLOGICAL EFFECTS OF YOGA INCLUDING DECREASED HEARTRATE AND BLOOD PRESSURE AND THE PHYSICAL EFFECTS INCLUDING WEIGHT LOSS AND INCREASED MUSCLE STRENGTH ARE REVIEWED. FINALLY, POTENTIAL UNDERLYING MECHANISMS ARE PROPOSED INCLUDING THE STIMULATION OF PRESSURE RECEPTORS LEADING TO ENHANCED VAGAL ACTIVITY AND REDUCED CORTISOL. THE REDUCTION IN CORTISOL, IN TURN, MAY CONTRIBUTE TO POSITIVE EFFECTS SUCH AS ENHANCED IMMUNE FUNCTION AND A LOWER PREMATURITY RATE. 2011 3 1337 34 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 4 406 37 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 5 225 41 A SYSTEMATIC REVIEW OF MECHANISMS OF CHANGE IN BODY-ORIENTED YOGA IN MAJOR DEPRESSIVE DISORDERS. INTRODUCTION: DESPITE EMPIRICAL EVIDENCE FOR THE EFFICACY OF BODY-ORIENTED YOGA AS ADD-ON TREATMENT FOR MAJOR DEPRESSIVE DISORDER (MDD), THE SPECIFIC MECHANISMS BY WHICH YOGA LEADS TO THERAPEUTIC CHANGES REMAIN UNCLEAR. BY MEANS OF A SYSTEMATIC REVIEW, WE EVALUATE HOW THE FIELD IS PROGRESSING IN ITS EMPIRICAL INVESTIGATION OF MECHANISMS OF CHANGE IN YOGA FOR MDD. METHODS: TO IDENTIFY RELEVANT STUDIES, A SYSTEMATIC SEARCH WAS CONDUCTED. RESULTS: THE SEARCH PRODUCED 441 ARTICLES, OF WHICH 5 WERE INCLUDED, THAT EMPIRICALLY EXAMINED 2 PSYCHOLOGICAL MECHANISMS (MINDFULNESS, RUMINATION) AND 3 BIOLOGICAL MECHANISMS (VAGAL CONTROL, HEART RATE VARIABILITY [HRV], BRAIN-DERIVED NEUROTROPHIC FACTOR [BDNF], CORTISOL). 2 STUDIES FOUND THAT DECREASED RUMINATION AND 1 STUDY THAT INCREASED MINDFULNESS WAS ASSOCIATED WITH THE EFFECT OF YOGA ON TREATMENT OUTCOME. IN ADDITION, PRELIMINARY STUDIES SUGGEST THAT ALTERATIONS IN CORTISOL, BDNF, AND HRV MAY PLAY A ROLE IN HOW YOGA EXERTS ITS CLINICAL EFFECT. DISCUSSION: THE RESULTS SUGGEST THAT BODY-ORIENTED YOGA COULD WORK THROUGH SOME OF THE THEORETICALLY PREDICTED MECHANISMS. HOWEVER, THERE IS A NEED FOR MORE RIGOROUS DESIGNS THAT CAN ASSESS GREATER LEVELS OF CAUSAL SPECIFICITY. 2018 6 1218 33 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 7 2210 34 THE HEALTH BENEFITS OF YOGA AND EXERCISE: A REVIEW OF COMPARISON STUDIES. OBJECTIVES: EXERCISE IS CONSIDERED AN ACCEPTABLE METHOD FOR IMPROVING AND MAINTAINING PHYSICAL AND EMOTIONAL HEALTH. A GROWING BODY OF EVIDENCE SUPPORTS THE BELIEF THAT YOGA BENEFITS PHYSICAL AND MENTAL HEALTH VIA DOWN-REGULATION OF THE HYPOTHALAMIC-PITUITARY-ADRENAL (HPA) AXIS AND THE SYMPATHETIC NERVOUS SYSTEM (SNS). THE PURPOSE OF THIS ARTICLE IS TO PROVIDE A SCHOLARLY REVIEW OF THE LITERATURE REGARDING RESEARCH STUDIES COMPARING THE EFFECTS OF YOGA AND EXERCISE ON A VARIETY OF HEALTH OUTCOMES AND HEALTH CONDITIONS. METHODS: USING PUBMED((R)) AND THE KEY WORD "YOGA," A COMPREHENSIVE SEARCH OF THE RESEARCH LITERATURE FROM CORE SCIENTIFIC AND NURSING JOURNALS YIELDED 81 STUDIES THAT MET INCLUSION CRITERIA. THESE STUDIES SUBSEQUENTLY WERE CLASSIFIED AS UNCONTROLLED (N = 30), WAIT LIST CONTROLLED (N = 16), OR COMPARISON (N = 35). THE MOST COMMON COMPARISON INTERVENTION (N = 10) INVOLVED EXERCISE. THESE STUDIES WERE INCLUDED IN THIS REVIEW. RESULTS: IN THE STUDIES REVIEWED, YOGA INTERVENTIONS APPEARED TO BE EQUAL OR SUPERIOR TO EXERCISE IN NEARLY EVERY OUTCOME MEASURED EXCEPT THOSE INVOLVING PHYSICAL FITNESS. CONCLUSIONS: THE STUDIES COMPARING THE EFFECTS OF YOGA AND EXERCISE SEEM TO INDICATE THAT, IN BOTH HEALTHY AND DISEASED POPULATIONS, YOGA MAY BE AS EFFECTIVE AS OR BETTER THAN EXERCISE AT IMPROVING A VARIETY OF HEALTH-RELATED OUTCOME MEASURES. FUTURE CLINICAL TRIALS ARE NEEDED TO EXAMINE THE DISTINCTIONS BETWEEN EXERCISE AND YOGA, PARTICULARLY HOW THE TWO MODALITIES MAY DIFFER IN THEIR EFFECTS ON THE SNS/HPA AXIS. ADDITIONAL STUDIES USING RIGOROUS METHODOLOGIES ARE NEEDED TO EXAMINE THE HEALTH BENEFITS OF THE VARIOUS TYPES OF YOGA. 2010 8 2411 43 YOGA AND IMMUNE SYSTEM FUNCTIONING: A SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS. YOGA IS AN ANCIENT MIND-BODY PRACTICE THAT IS INCREASINGLY RECOGNIZED TO HAVE HEALTH BENEFITS IN A VARIETY OF CLINICAL AND NON-CLINICAL CONDITIONS. THIS SYSTEMATIC REVIEW SUMMARIZES THE FINDINGS OF RANDOMIZED CONTROLLED TRIALS EXAMINING THE EFFECTS OF YOGA ON IMMUNE SYSTEM FUNCTIONING WHICH IS IMPERATIVE TO JUSTIFY ITS APPLICATION IN THE CLINIC. FIFTEEN RCTS WERE ELIGIBLE FOR THE REVIEW. EVEN THOUGH THE EXISTING EVIDENCE IS NOT ENTIRELY CONSISTENT, A GENERAL PATTERN EMERGED SUGGESTING THAT YOGA CAN DOWNREGULATE PRO-INFLAMMATORY MARKERS. IN PARTICULAR, THE QUALITATIVE EVALUATION OF RCTS REVEALED DECREASES IN IL-1BETA, AS WELL AS INDICATIONS FOR REDUCTIONS IN IL-6 AND TNF-ALPHA. THESE RESULTS IMPLY THAT YOGA MAY BE IMPLEMENTED AS A COMPLEMENTARY INTERVENTION FOR POPULATIONS AT RISK OR ALREADY SUFFERING FROM DISEASES WITH AN INFLAMMATORY COMPONENT. BEYOND THIS, YOGA PRACTICE MAY EXERT FURTHER BENEFICIAL EFFECTS BY ENHANCING CELL-MEDIATED AND MUCOSAL IMMUNITY. IT IS HYPOTHESIZED THAT LONGER TIME SPANS OF YOGA PRACTICE ARE REQUIRED TO ACHIEVE CONSISTENT EFFECTS ESPECIALLY ON CIRCULATING INFLAMMATORY MARKERS. OVERALL, THIS FIELD OF INVESTIGATION IS STILL YOUNG, HENCE THE CURRENT BODY OF EVIDENCE IS SMALL AND FOR MOST IMMUNE PARAMETERS, MORE RESEARCH IS REQUIRED TO DRAW DISTINCT CONCLUSIONS. 2018 9 2774 40 YOGA RESEARCH REVIEW. THIS PAPER IS A REVIEW OF EMPIRICAL STUDIES, REVIEW AND META-ANALYSIS PUBLICATIONS ON YOGA FROM THE LAST FEW YEARS. THE REVIEW INCLUDES DEMOGRAPHICS/PREVALENCE OF YOGA AS A PRACTICE, BIBLIOMETRIC ANALYSES OF THE YOGA PUBLICATIONS AND THE USE OF YOGA FOR PHYSICAL FITNESS AND COGNITIVE FUNCTION. MOST OF THE STUDIES REVIEWED HERE INVOLVE YOGA EFFECTS ON PSYCHIATRIC AND MEDICAL CONDITIONS. THESE INCLUDE PREGNANCY, PRENATAL AND POSTPARTUM DEPRESSION; STRESS, PTSD, ANXIETY, AND OBESITY; CARDIOVASCULAR CONDITIONS INCLUDING HYPERTENSION; PAIN SYNDROMES INCLUDING ARTHRITIS, HEADACHES AND LOW BACK PAIN; AUTOIMMUNE CONDITIONS INCLUDING ASTHMA, TYPE II DIABETES AND MULTIPLE SCLEROSIS; IMMUNE CONDITIONS INCLUDING HIV AND BREAST CANCER; AND AGING PROBLEMS INCLUDING BALANCE, OSTEOPOROSIS AND PARKINSON'S. THE METHODS AND RESULTS OF THOSE STUDIES ARE BRIEFLY SUMMARIZED ALONG WITH THEIR LIMITATIONS AND SUGGESTIONS FOR FUTURE RESEARCH. BASICALLY YOGA HAS BEEN MORE EFFECTIVE THAN CONTROL AND WAITLIST CONTROL CONDITIONS, ALTHOUGH NOT ALWAYS MORE EFFECTIVE THAN TREATMENT COMPARISON GROUPS SUCH AS OTHER FORMS OF EXERCISE. MORE RANDOMIZED CONTROLLED STUDIES ARE NEEDED IN WHICH YOGA IS COMPARED TO ACTIVE EXERCISE GROUPS. HAVING ESTABLISHED THE PHYSICAL AND MENTAL HEALTH BENEFITS OF YOGA MAKES IT ETHICALLY QUESTIONABLE TO ASSIGN PARTICIPANTS TO INACTIVE CONTROL GROUPS. SHORTER SESSIONS SHOULD BE INVESTIGATED FOR COST-EFFECTIVENESS AND FOR DAILY PRACTICE. MULTIPLE PHYSICAL AND PHYSIOLOGICAL MEASURES NEED TO BE ADDED TO THE SELF-REPORT RESEARCH PROTOCOLS AND POTENTIAL UNDERLYING MECHANISMS NEED TO BE FURTHER EXPLORED. IN THE INTERIM, THE STUDIES REVIEWED HERE HIGHLIGHT THE THERAPEUTIC EFFECTS OF YOGA, A PRACTICE THAT COULD COME TO BE CALLED YOGA THERAPY. 2016 10 2429 27 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 11 2170 37 THE EFFECTS OF YOGA ON ANXIETY AND STRESS. STRESS AND ANXIETY HAVE BEEN IMPLICATED AS CONTRIBUTORS TO MANY CHRONIC DISEASES AND TO DECREASED QUALITY OF LIFE, EVEN WITH PHARMACOLOGIC TREATMENT. EFFORTS ARE UNDERWAY TO FIND NON-PHARMACOLOGIC THERAPIES TO RELIEVE STRESS AND ANXIETY, AND YOGA IS ONE OPTION FOR WHICH RESULTS ARE PROMISING. THE FOCUS OF THIS REVIEW IS ON THE RESULTS OF HUMAN TRIALS ASSESSING THE ROLE OF YOGA IN IMPROVING THE SIGNS AND SYMPTOMS OF STRESS AND ANXIETY. OF 35 TRIALS ADDRESSING THE EFFECTS OF YOGA ON ANXIETY AND STRESS, 25 NOTED A SIGNIFICANT DECREASE IN STRESS AND/OR ANXIETY SYMPTOMS WHEN A YOGA REGIMEN WAS IMPLEMENTED; HOWEVER, MANY OF THE STUDIES WERE ALSO HINDERED BY LIMITATIONS, SUCH AS SMALL STUDY POPULATIONS, LACK OF RANDOMIZATION, AND LACK OF A CONTROL GROUP. FOURTEEN OF THE 35 STUDIES REPORTED BIOCHEMICAL AND PHYSIOLOGICAL MARKERS OF STRESS AND ANXIETY, BUT YIELDED INCONSISTENT SUPPORT OF YOGA FOR RELIEF OF STRESS AND ANXIETY. EVALUATION OF THE CURRENT PRIMARY LITERATURE IS SUGGESTIVE OF BENEFITS OF YOGA IN RELIEVING STRESS AND ANXIETY, BUT FURTHER INVESTIGATION INTO THIS RELATIONSHIP USING LARGE, WELL-DEFINED POPULATIONS, ADEQUATE CONTROLS, RANDOMIZATION AND LONG DURATION SHOULD BE EXPLORED BEFORE RECOMMENDING YOGA AS A TREATMENT OPTION. 2012 12 549 21 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 13 1587 23 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 14 203 29 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 15 2923 22 [WHERE AND HOW DOES YOGA WORK? - A SCIENTIFIC OVERVIEW]. AS A TRADITIONAL HEALTH CARE SYSTEM, YOGA COMBINES PHYSICAL ACTIVITY, BREATHING TECHNIQUES AND MEDITATION. IT IS INCREASINGLY USED AS A PREVENTIVE OR THERAPEUTIC MEANS. YOGA HAS BEEN RESEARCHED IN HUNDREDS OF RANDOMIZED CONTROLLED TRIALS. POSITIVE EFFECTS ARE ESPECIALLY FOUND FOR CHRONIC PAIN CONDITIONS, HYPERTENSION, DEPRESSION AND IN SUPPORTIVE CANCER CARE. WHILE THERE ARE CASE REPORTS OF SERIOUS ADVERSE EVENTS ASSOCIATED WITH YOGA, THE RISK SEEMS TO BE EXTREMELY LOW AND COMPARABLE TO OTHER FORMS OF PHYSICAL ACTIVITY. YOGA CAN THUS BE CONSIDERED AS A SAFE AND EFFECTIVE ADJUNCT THERAPY FOR A NUMBER OF CONDITIONS. 2017 16 2369 46 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 17 2292 28 THERAPEUTIC EFFECTS OF YOGA FOR CHILDREN: A SYSTEMATIC REVIEW OF THE LITERATURE. PURPOSE: WE COMPLETED A SYSTEMATIC REVIEW OF THE LITERATURE ON THE EFFECT OF YOGA ON QUALITY OF LIFE AND PHYSICAL OUTCOME MEASURES IN THE PEDIATRIC POPULATION. WE EXPLORED VARIOUS DATABASES AND INCLUDED CASE-CONTROL AND PILOT STUDIES, COHORT AND RANDOMIZED CONTROLLED TRIALS THAT EXAMINED YOGA AS AN EXERCISE INTERVENTION FOR CHILDREN. SUMMARY OF KEY POINTS: USING THE SACKETT LEVELS OF EVIDENCE, THIS ARTICLE REVIEWS THE LITERATURE ON YOGA AS A COMPLEMENTARY MIND-BODY MOVEMENT THERAPY. WE ADDRESS THE RESEARCH THROUGH THREE PRACTICE PATTERNS ACCORDING TO THE GUIDE TO PHYSICAL THERAPIST PRACTICE AND PROVIDE CONSIDERATIONS FOR THE INCLUSION OF YOGA INTO CLINICAL PRACTICE. STATEMENT OF CONCLUSIONS AND RECOMMENDATIONS FOR CLINICAL PRACTICE: THE EVIDENCE SHOWS PHYSIOLOGICAL BENEFITS OF YOGA FOR THE PEDIATRIC POPULATION THAT MAY BENEFIT CHILDREN THROUGH THE REHABILITATION PROCESS, BUT LARGER CLINICAL TRIALS, INCLUDING SPECIFIC MEASURES OF QUALITY OF LIFE ARE NECESSARY TO PROVIDE DEFINITIVE EVIDENCE. 2008 18 1983 35 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 19 1882 33 REDUCING ALLOSTATIC LOAD IN DEPRESSION AND ANXIETY DISORDERS: PHYSICAL ACTIVITY AND YOGA PRACTICE AS ADD-ON THERAPIES. THE ALLOSTATIC LOAD (AL) INDEX CONSTITUTES A USEFUL TOOL TO OBJECTIVELY ASSESS THE BIOLOGICAL ASPECTS OF CHRONIC STRESS IN CLINICAL PRACTICE. AL INDEX HAS BEEN POSITIVELY CORRELATED WITH CUMULATIVE CHRONIC STRESS (PHYSICAL AND PSYCHOSOCIAL STRESSORS) AND WITH A HIGH RISK TO DEVELOP PATHOLOGICAL CONDITIONS (E.G., METABOLIC SYNDROME, CARDIOVASCULAR PATHOLOGY, INFLAMMATORY DISORDERS) AND THE SO-CALLED STRESS-RELATED PSYCHIATRIC DISORDERS, INCLUDING ANXIETY AND DEPRESSIVE DISORDERS. CHRONIC STRESS HAS NEGATIVE EFFECTS ON BRAIN NEUROPLASTICITY, ESPECIALLY ON HIPPOCAMPAL NEUROGENESIS AND THESE EFFECTS MAY BE REVERSED BY ANTIDEPRESSANT TREATMENTS. SEVERAL EVIDENCES INDICATE THAT NON-PHARMACOLOGICAL INTERVENTIONS BASED ON PHYSICAL ACTIVITY AND YOGA PRACTICE MAY ADD SYNERGIZING BENEFITS TO CLASSICAL TREATMENTS (ANTIDEPRESSANT AND BENZODIAZEPINES) FOR DEPRESSION AND ANXIETY, REDUCING THE NEGATIVE EFFECTS OF CHRONIC STRESS. THE AIM OF THIS REVIEW IS TO PROVIDE A GENERAL OVERVIEW OF CURRENT KNOWLEDGE ON AL AND CHRONIC STRESS IN RELATION TO DEPRESSION AND ANXIETY, PHYSICAL ACTIVITY AND YOGA PRACTICE. 2020 20 1051 31 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