1 2196 129 THE EFFICACY AND SAFETY OF YOGA IN MANAGING HYPERTENSION. HYPERTENSION IS A MAJOR PUBLIC HEALTH PROBLEM AND ONE OF THE MOST IMPORTANT CAUSES OF PREMATURE MORBIDITY AND MORTALITY. YOGA IS A TRADITIONAL INDIAN PRACTICE THAT HAS BEEN ADAPTED FOR USE IN COMPLEMENTARY AND ALTERNATIVE MEDICINE AND MAINLY INCLUDES PHYSICAL POSTURES, BREATHING TECHNIQUES, AND MEDITATION. THE IMPACT OF YOGA AS A COMPLEMENTARY INTERVENTION FOR HYPERTENSION HAS BEEN INVESTIGATED IN A NUMBER OF RANDOMIZED CONTROLLED TRIALS; WITH AN OVERALL EFFECT OF ABOUT 10 MMHG REDUCTION IN SYSTOLIC AND ABOUT 8 MMHG REDUCTION IN DIASTOLIC BLOOD PRESSURE. YOGA SEEMS TO BE EFFECTIVE ONLY FOR HYPERTENSION BUT NOT FOR PREHYPERTENSION; AND ONLY AS AN ADJUNCT TO ANTIHYPERTENSIVE PHARMACOLOGICAL TREATMENT BUT NOT AS AN ALTERNATIVE THERAPY. BREATHING AND MEDITATION RATHER THAN PHYSICAL ACTIVITY SEEM TO BE THE ACTIVE PART OF YOGA INTERVENTIONS FOR HYPERTENSIVE PATIENTS. THESE PRACTICES CAN INCREASE PARASYMPATHIC ACTIVITY AND DECREASE SYMPATHETIC ACTIVITY, ARGUABLY MAINLY BY INCREASING GABA ACTIVITY; THUS COUNTERACTING EXCESS ACTIVITY OF THE SYMPATHETIC NERVOUS SYSTEM WHICH HAS BEEN ASSOCIATED WITH HYPERTENSION. ALTHOUGH YOGA HAS BEEN ASSOCIATED WITH SERIOUS ADVERSE EVENTS IN SINGLE CASE REPORTS, POPULATION-BASED SURVEYS AS WELL AS CLINICAL TRIALS INDICATE THAT YOGA IS A RELATIVELY SAFE INTERVENTION THAT IS NOT ASSOCIATED WITH MORE ADVERSE EVENTS THAN OTHER FORMS OF PHYSICAL ACTIVITY. YOGA CAN THUS BE CONSIDERED A SAFE AND EFFECTIVE INTERVENTION FOR MANAGING HYPERTENSION. GIVEN THE POSSIBLY BETTER RISK/BENEFIT RATIO, IT MAY BE ADVISABLE TO FOCUS ON YOGIC MEDITATION AND/OR BREATHING TECHNIQUES. 2016 2 2923 45 [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 3 2170 27 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 4 2416 28 YOGA AND MEDITATION IN CARDIOVASCULAR DISEASE. YOGA IS A HOLISTIC MIND-BODY INTERVENTION AIMED AT PHYSICAL, MENTAL, EMOTIONAL AND SPIRITUAL WELL BEING. SEVERAL STUDIES HAVE SHOWN THAT YOGA AND/OR MEDITATION CAN CONTROL RISK FACTORS FOR CARDIOVASCULAR DISEASE LIKE HYPERTENSION, TYPE II DIABETES AND INSULIN RESISTANCE, OBESITY, LIPID PROFILE, PSYCHOSOCIAL STRESS AND SMOKING. SOME RANDOMIZED STUDIES SUGGEST THAT YOGA/MEDITATION COULD RETARD OR EVEN REGRESS EARLY AND ADVANCED CORONARY ATHEROSCLEROSIS. A RECENT STUDY SUGGESTS THAT TRANSCENDENTAL MEDITATION MAY BE EXTREMELY USEFUL IN SECONDARY PREVENTION OF CORONARY HEART DISEASE AND MAY REDUCE CARDIOVASCULAR EVENTS BY 48% OVER A 5-YEAR PERIOD. ANOTHER SMALL STUDY SUGGESTS THAT YOGA MAY BE HELPFUL IN PREVENTION OF ATRIAL FIBRILLATION. HOWEVER, MOST STUDIES HAVE SEVERAL LIMITATIONS LIKE LACK OF ADEQUATE CONTROLS, SMALL SAMPLE SIZE, INCONSISTENCIES IN BASELINE AND DIFFERENT METHODOLOGIES, ETC. AND THEREFORE LARGE TRIALS WITH IMPROVED METHODOLOGIES ARE REQUIRED TO CONFIRM THESE FINDINGS. HOWEVER, IN VIEW OF THE EXISTING KNOWLEDGE AND YOGA BEING A COST-EFFECTIVE TECHNIQUE WITHOUT SIDE EFFECTS, IT APPEARS APPROPRIATE TO INCORPORATE YOGA/MEDITATION FOR PRIMARY AND SECONDARY PREVENTION OF CARDIOVASCULAR DISEASE. 2014 5 2429 35 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 6 204 27 A REVIEW OF YOGA PROGRAMS FOR FOUR LEADING RISK FACTORS OF CHRONIC DISEASES. YOGA, A FORM OF PHYSICAL ACTIVITY, IS RAPIDLY GAINING IN POPULARITY AND HAS MANY HEALTH BENEFITS. YET HEALTHCARE PROVIDERS HAVE BEEN SLOW TO RECOGNIZE YOGA FOR ITS ABILITY TO IMPROVE HEALTH CONDITIONS, AND FEW INTERVENTIONS HAVE BEEN DEVELOPED THAT TAKE FULL ADVANTAGE OF ITS BENEFITS. THE PURPOSE OF THIS ARTICLE IS TO REVIEW PUBLISHED STUDIES USING YOGA PROGRAMS AND TO DETERMINE THE EFFECT OF YOGA INTERVENTIONS ON COMMON RISK FACTORS OF CHRONIC DISEASES (OVERWEIGHT, HYPERTENSION, HIGH GLUCOSE LEVEL AND HIGH CHOLESTEROL). A SYSTEMATIC SEARCH YIELDED 32 ARTICLES PUBLISHED BETWEEN 1980 AND APRIL 2007. THE STUDIES FOUND THAT YOGA INTERVENTIONS ARE GENERALLY EFFECTIVE IN REDUCING BODY WEIGHT, BLOOD PRESSURE, GLUCOSE LEVEL AND HIGH CHOLESTEROL, BUT ONLY A FEW STUDIES EXAMINED LONG-TERM ADHERENCE. ADDITIONALLY, NOT ENOUGH STUDIES INCLUDED DIVERSE POPULATIONS AT HIGH RISK FOR DIABETES AND ITS RELATED COMMON HEALTH PROBLEMS. 2007 7 2927 41 [YOGA FOR MENTAL DISORDERS]. BACKGROUND: THE DEMAND FOR COMPLEMENTARY CLINICALLY EFFICACIOUS, SAFE, PATIENT ACCEPTABLE, AND COST-EFFECTIVE FORMS OF TREATMENT FOR MENTAL ILLNESS IS GROWING. YOGA HAS BENEFICIAL EFFECTS ON SOMATIC AND MENTAL HEALTH FACTORS; THEREFORE, YOGA HAS PREVENTIVE AND THERAPEUTIC CAPABILITIES TO IMPROVE MENTAL DYSFUNCTION. OBJECTIVE: IN THIS OVERVIEW OF THE CURRENT LITERATURE, THE EVIDENCE OF THE EFFECTS OF YOGA ON SELECTED MAJOR PSYCHIATRIC DISORDERS IS SUMMARIZED. RESULTS: THE STRONGEST EVIDENCE BASE FOR YOGA EXISTS IN REDUCING DEPRESSIVE SYMPTOMS BUT ITS USE IN MAJOR DEPRESSIVE DISORDERS IS LESS CLEAR. THE EVIDENCE FOR THE EFFICACY OF YOGA FOR ANXIETY DISORDERS, AND POSTTRAUMATIC STRESS DISORDER (PTSD) IS ENCOURAGING, BUT NOT DEFINITIVE DUE TO ONLY A FEW RANDOMIZED CONTROLLED TRIALS AND METHODOLOGICAL PROBLEMS. CONCLUSION: THERE IS PRELIMINARY EVIDENCE THAT MEDITATION-BASED YOGA INTERVENTIONS MAY BE HELPFUL FOR DEPRESSION, ANXIETY AND PTSD; HOWEVER, THERE MAY ALSO BE THE RISK OF ENGAGING IN EXTREME YOGA PRACTICES. THE VALUE OF INTEGRATING YOGA INTO A TREATMENT PLAN FOR PATIENTS WITH PSYCHIATRIC DISORDERS NEEDS TO BE EVALUATED ON AN INDIVIDUAL BASIS. HEALTHCARE PROVIDERS CAN MOTIVATE AND HELP PATIENTS EVALUATE WHETHER A GIVEN YOGA CLASS IS HELPFUL AND SAFE FOR THEM. METHODOLOGICAL PROBLEMS AND THE UNCLEAR RISK-BENEFIT RATIO PRECLUDE DEFINITIVE RECOMMENDATIONS FOR YOGA AS AN ADJUNCT TREATMENT. 2018 8 2516 20 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 9 413 41 BLOOD PRESSURE RESPONSE TO MEDITATION AND YOGA: A SYSTEMATIC REVIEW AND META-ANALYSIS. OBJECTIVES: TO INTRODUCE RESEARCH THAT PRESENTS SCIENTIFIC EVIDENCE REGARDING THE EFFECTS OF MANTRA AND MINDFULNESS MEDITATION TECHNIQUES AND YOGA ON DECREASING BLOOD PRESSURE (BP) IN PATIENTS WHO HAVE HYPERTENSION. METHODS: A LITERATURE SEARCH WAS PERFORMED TO IDENTIFY ALL STUDIES PUBLISHED BETWEEN 1946 AND 2014 FROM PERIODICALS INDEXED IN OVID MEDLINE, EMBASE, CINAHL, PSYCINFO, KOREAMED, AND NDSL BY USING THE FOLLOWING KEYWORDS: "HYPERTENSION," "BLOOD PRESSURE," "PSYCHOTHERAPY," "RELAXATION THERAPY," "MEDITATION," "YOGA," AND "MIND-BODY THERAPY." THE COCHRANE'S RISK OF BIAS WAS APPLIED TO ASSESS THE INTERNAL VALIDITY OF THE RANDOMIZED CONTROLLED TRIAL STUDIES. THIRTEEN STUDIES WERE ANALYZED IN THIS META-ANALYSIS BY USING REVIEW MANAGER 5.3. RESULTS: AMONG 510 POSSIBLE STUDIES, 13 MET THE SELECTION CRITERIA. SEVEN EXAMINED MEDITATION, AND SIX EXAMINED YOGA. THE META-ANALYSIS INDICATED THAT MEDITATION AND YOGA APPEARED TO DECREASE BOTH SYSTOLIC AND DIASTOLIC BP, WHICH WERE WITHIN SIMILAR BASELINE RANGES, AND THE REDUCTION WAS STATISTICALLY SIGNIFICANT; HOWEVER, SOME RESULTS SHOWED LITTLE DIFFERENCE. AFTER AN IN-DEPTH ANALYSIS OF THOSE RESULTS, BP RANGE AND PATIENT AGE WERE REVEALED AS THE FACTORS THAT AFFECTED THE DIFFERENT RESULTS IN SOME REPORTS. IN PARTICULAR, MEDITATION PLAYED A NOTICEABLE ROLE IN DECREASING THE BP OF SUBJECTS OLDER THAN 60 YEARS OF AGE, WHEREAS YOGA SEEMED TO CONTRIBUTE TO THE DECREASE OF SUBJECTS AGED LESS THAN 60 YEARS. CONCLUSIONS: WHILE ACKNOWLEDGING THE LIMITATIONS OF THIS RESEARCH DUE TO THE DIFFERENCES IN BP AND THE PARTICIPANTS' AGES, MEDITATION AND YOGA ARE DEMONSTRATED TO BE EFFECTIVE ALTERNATIVES TO PHARMACOTHERAPY. GIVEN THAT BP DECREASED WITH THE USE OF MEDITATION AND YOGA, AND THIS EFFECT VARIED IN DIFFERENT AGE GROUPS, SCIENTIFICALLY MEASURED OUTCOMES INDICATE THAT THESE PRACTICES ARE SAFE ALTERNATIVES IN SOME CASES. 2017 10 2485 32 YOGA AS AN ANCILLARY TREATMENT FOR NEUROLOGICAL AND PSYCHIATRIC DISORDERS: A REVIEW. YOGA IS GAINING ACCEPTANCE AS AN ANCILLARY MEDICAL TREATMENT, BUT THERE HAVE BEEN FEW STUDIES EVALUATING ITS THERAPEUTIC BENEFITS IN NEUROLOGICAL AND MAJOR PSYCHIATRIC CONDITIONS. THE AUTHORS REVIEWED THE LITERATURE IN ENGLISH ON THE EFFICACY OF YOGA FOR THESE DISORDERS. ONLY RANDOMIZED, CONTROLLED TRIALS WERE INCLUDED, WITH THE EXCEPTION OF THE ONLY STUDY OF YOGA FOR BIPOLAR DISORDER, WHICH WAS OBSERVATIONAL. TRIALS WERE EXCLUDED IF YOGA WAS NOT THE CENTRAL COMPONENT OF THE INTERVENTION. OF SEVEN RANDOMIZED, CONTROLLED TRIALS OF YOGA IN PATIENTS WITH NEUROLOGICAL DISORDERS, SIX FOUND SIGNIFICANT, POSITIVE EFFECTS. OF 13 RANDOMIZED, CONTROLLED TRIALS OF YOGA IN PATIENTS WITH PSYCHIATRIC DISORDERS, 10 FOUND SIGNIFICANT, POSITIVE EFFECTS. THESE RESULTS, ALTHOUGH ENCOURAGING, INDICATE THAT ADDITIONAL RANDOMIZED, CONTROLLED STUDIES ARE NEEDED TO CRITICALLY DEFINE THE BENEFITS OF YOGA FOR BOTH NEUROLOGICAL AND PSYCHIATRIC DISORDERS. 2012 11 2774 39 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 12 1552 41 LIFESTYLE MODIFICATION IN BLOOD PRESSURE STUDY II (LIMBS): STUDY PROTOCOL OF A RANDOMIZED CONTROLLED TRIAL ASSESSING THE EFFICACY OF A 24 WEEK STRUCTURED YOGA PROGRAM VERSUS LIFESTYLE MODIFICATION ON BLOOD PRESSURE REDUCTION. HYPERTENSION IS A MAJOR PUBLIC HEALTH ISSUE AFFECTING 68 MILLION ADULTS IN THE UNITED STATES. LIFESTYLE MODIFICATIONS INCLUDING COMPLEMENTARY THERAPIES SUCH AS THE MOVEMENT BASED MIND BODY PRACTICE OF YOGA HAVE BECOME INCREASINGLY POPULAR IN THE UNITED STATES AND HAVE BEEN CONSIDERED AS A POTENTIAL ALTERNATIVE TO MEDICATION IN BLOOD PRESSURE REDUCTION. WE COMPLETED A PILOT STUDY IN 2009 WHICH SHOWED MEANINGFUL DECREASES IN 24-HOUR AMBULATORY BLOOD PRESSURE READINGS AFTER A 12 WEEK PERIOD OF YOGA PARTICIPATION. BASED ON DATA FROM OUR PILOT STUDY WE ARE NOW COMPLETING THE LIFESTYLE MODIFICATION AND BLOOD PRESSURE STUDY (LIMBS II) WHICH IS A PHASE 2 RANDOMIZED CONTROLLED TRIAL DESIGNED TO DETERMINE THE EFFECTS OF YOGA THERAPY AND ENHANCED LIFESTYLE MODIFICATION ON LOWERING BLOOD PRESSURE IN PRE-HYPERTENSIVE AND STAGE 1 HYPERTENSIVE SUBJECTS. USING 24-HOUR AMBULATORY BLOOD PRESSURE MONITORING, LIMBS II AIMS TO COMPARE THE EFFECTS ON BLOOD PRESSURE REDUCTION IN SUBJECTS RANDOMIZED FOR 24 WEEKS TO ONE OF THE THREE FOLLOWING GROUPS: YOGA THERAPY VERSUS BLOOD PRESSURE EDUCATION PROGRAM (SODIUM RESTRICTION AND WALKING PROGRAM) VERSUS A COMBINATION PROGRAM THAT INVOLVES COMPONENTS OF BOTH GROUPS. LIMBS II WILL ALSO EXAMINE THE IMPACT THAT CHANGES IN BLOOD PRESSURE HAVE ON CEREBRAL BLOOD FLOW. IF SUCCESSFUL, THE LIMBS STUDY WILL DETERMINE IF YOGA THERAPY COMBINED WITH ENHANCED LIFESTYLE MODIFICATION WILL RESULT IN CLINICALLY MEANINGFUL DECREASES IN BLOOD PRESSURE AND THUS CAN BE IMPLEMENTED AS AN ALTERNATIVE TO DRUG THERAPY FOR PATIENTS WITH PREHYPERTENSION AND STAGE 1 HYPERTENSION. 2013 13 549 18 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 14 1084 25 EFFECTS OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS: A SYSTEMATIC REVIEW. OBJECTIVE: THIS ARTICLE REPORTS A SYSTEMATIC REVIEW AND CRITICAL APPRAISAL OF THE EFFECT OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS. METHODS: A SYSTEMATIC LITERATURE SEARCH WAS PERFORMED TO IDENTIFY RANDOMIZED CONTROLLED TRIALS (RCTS) AND CLINICAL CONTROLLED TRIALS (CCTS) THAT ASSESSED THE EFFECTS OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS. SELECTED STUDIES WERE CLASSIFIED ACCORDING TO THE TYPES OF INTERVENTION, DURATION, OUTCOME MEASURES, AND RESULTS. THEY WERE ALSO QUALITATIVELY ASSESSED BASED ON PUBLIC HEALTH RESEARCH, EDUCATION AND DEVELOPMENT STANDARDS. RESULTS: THE SYSTEMATIC REVIEW WAS BASED ON EIGHT RCTS AND CCTS THAT INDICATED A POSITIVE EFFECT OF YOGA IN REDUCING STRESS LEVELS OR STRESS SYMPTOMS. HOWEVER, MOST OF THE STUDIES HAD METHODOLOGICAL PROBLEMS IN THAT THE INTERVENTION DURATION WAS SHORT AND LIMITED FOLLOW-UP DATA WAS AVAILABLE. CONCLUSION: THIS REVIEW REVEALED POSITIVE EFFECTS OF YOGA ON STRESS REDUCTION IN HEALTHY ADULT POPULATIONS. HOWEVER, THE RESULT SHOULD BE INTERPRETED WITH CAUTION DUE TO THE SMALL NUMBER OF STUDIES AND THE ASSOCIATED METHODOLOGICAL PROBLEMS. FURTHER STUDIES TO ASCERTAIN YOGA'S LONG-TERM EFFECTS AND THE UNDERLYING BIOLOGICAL MECHANISMS LEADING TO ITS STRESS REDUCTION EFFECT SHOULD BE CONDUCTED. 2011 15 1185 40 EVIDENCE BASE OF YOGA STUDIES ON CARDIOVASCULAR HEALTH: A BIBLIOMETRIC ANALYSIS. NONCOMMUNICABLE DISEASES INCLUDING CORONARY ARTERY DISEASE CONTRIBUTE TO APPROXIMATELY 50% OF GLOBAL MORTALITY. PHARMACOLOGICAL TREATMENT ALONE MAY NOT BE A PANACEA FOR SUCH DISEASES SINCE IT MAY BE ASSOCIATED WITH VARIOUS OTHER ADVERSE EFFECTS. HENCE, STRATEGIES SUCH AS YOGA INVOLVING HEALTHY LIFESTYLE AND STRESS MANAGEMENT ARE WIDELY SOUGHT BY THE PATIENT POPULATION. MATERIALS AND METHODS: AN ELECTRONIC SEARCH OF PUBMED AS A STANDARD BIBLIOGRAPHIC DATABASE WAS PERFORMED THROUGH FEBRUARY 2015 USING THE KEYWORDS "YOGA" AND "CARDIOVASCULAR." STUDIES WITH YOGA AS THE INDEPENDENT VARIABLE AND PARAMETERS RELATED TO CARDIAC HEALTH AS THE DEPENDENT VARIABLE WERE INCLUDED AND EXCLUSION CRITERIA WERE APPLIED. RESULTS: A TOTAL OF 149 PUBLICATIONS WERE IDENTIFIED WHICH MET THE INCLUSION CRITERIA FOR ANALYSIS. OF THE TOTAL PUBLICATIONS, 44% WERE CLINICAL TRIALS OF WHICH 19% WERE RANDOMIZED CONTROLLED TRIALS WHICH MAY BE CATEGORIZED AS HIGH-QUALITY ONES. AN UPWARD TREND IN THE OVERALL RESEARCH IN THIS AREA IS EVIDENT. MAJOR WORK HAS BEEN ACCOMPLISHED BY RESEARCHERS OF THE UNITED STATES (38%) AND INDIA (29%). CONCLUSION: THE SURVEY INDICATES THAT THE NUMBER OF PUBLICATIONS IN THE FIELD OF "YOGA" AND "CARDIOVASCULAR" HEALTH HAS INCREASED RAPIDLY IN THE LATE YEARS. ANALYSIS COMPRISING THE NATION/STATE HELPS DEFINE ITS STATUS WITH REGARD TO ITS COUNTERPARTS AND HELPS UNDERSTAND SCIENCE PRIORITIES AND DISEASE CONTROL STRATEGIES IN AN EFFORT TO PROVIDE COST-EFFECTIVENESS AND QUALITY CONTROL. THERE IS A NEED FOR FURTHER HIGH-QUALITY STUDIES IN THE FIELD OF "YOGA" AND "CARDIOVASCULAR" DISEASES TO VALIDATE THE EFFECTS OF YOGA ON HEALTH PARAMETERS. 2019 16 522 31 COMPARISON GROUPS IN YOGA RESEARCH: A SYSTEMATIC REVIEW AND CRITICAL EVALUATION OF THE LITERATURE. OBJECTIVES: COMPARISON GROUPS ARE ESSENTIAL FOR ACCURATE TESTING AND INTERPRETATION OF YOGA INTERVENTION TRIALS. HOWEVER, SELECTING PROPER COMPARISON GROUPS IS DIFFICULT BECAUSE YOGA COMPRISES A VERY HETEROGENEOUS SET OF PRACTICES AND ITS MECHANISMS OF EFFECT HAVE NOT BEEN CONCLUSIVELY ESTABLISHED. METHODS: WE CONDUCTED A SYSTEMATIC REVIEW OF THE CONTROL AND COMPARISON GROUPS USED IN PUBLISHED RANDOMIZED CONTROLLED TRIALS (RCTS) OF YOGA. RESULTS: WE LOCATED 128 RCTS THAT MET OUR INCLUSION CRITERIA; OF THESE, 65 INCLUDED ONLY A PASSIVE CONTROL AND 63 INCLUDED AT LEAST ONE ACTIVE COMPARISON GROUP. PRIMARY COMPARISON GROUPS WERE PHYSICAL EXERCISE (43%), RELAXATION/MEDITATION (20%), AND EDUCATION (16%). STUDIES RARELY PROVIDED A STRONG RATIONALE FOR CHOICE OF COMPARISON. CONSIDERING YEAR OF PUBLICATION, THE USE OF ACTIVE CONTROLS IN YOGA RESEARCH APPEARS TO BE SLOWLY INCREASING OVER TIME. CONCLUSIONS: GIVEN THAT YOGA HAS BEEN ESTABLISHED AS A POTENTIALLY POWERFUL INTERVENTION, FUTURE RESEARCH SHOULD USE ACTIVE CONTROL GROUPS. FURTHER, CARE IS NEEDED TO SELECT COMPARISON CONDITIONS THAT HELP TO ISOLATE THE SPECIFIC MECHANISMS OF YOGA'S EFFECTS. 2014 17 2210 36 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 18 836 31 EFFECT OF YOGA ON PATIENTS WITH CANCER: OUR CURRENT UNDERSTANDING. OBJECTIVE: TO DETERMINE WHETHER THERAPEUTIC YOGA IMPROVES THE QUALITY OF LIFE OF PATIENTS WITH CANCER. DATA SOURCES: SEARCH OF MEDLINE DATABASE (1950-2010) USING KEY WORDS YOGA, CANCER, AND QUALITY OF LIFE. STUDY SELECTION: PRIORITY WAS GIVEN TO RANDOMIZED CONTROLLED CLINICAL STUDIES CONDUCTED TO DETERMINE THE EFFECT OF YOGA ON TYPICAL SYMPTOMS OF PATIENTS WITH CANCER IN NORTH AMERICA. SYNTHESIS: INITIALLY, 4 RANDOMIZED CONTROLLED CLINICAL STUDIES WERE ANALYZED, THEN 2 STUDIES WITHOUT CONTROL GROUPS WERE ANALYZED. THREE STUDIES CONDUCTED IN INDIA AND THE NEAR EAST PROVIDED INTERESTING INFORMATION ON METHODOLOGIES. THE INTERVENTIONS INCLUDED YOGA SESSIONS OF VARYING LENGTH AND FREQUENCY. THE PARAMETERS MEASURED ALSO VARIED AMONG STUDIES. SEVERAL SYMPTOMS IMPROVED SUBSTANTIALLY WITH YOGA (HIGHER QUALITY OF SLEEP, DECREASE IN SYMPTOMS OF ANXIETY AND DEPRESSION, IMPROVEMENT IN SPIRITUAL WELL-BEING, ETC). IT WOULD APPEAR THAT QUALITY OF LIFE, OR SOME ASPECTS THEREOF, ALSO IMPROVED. CONCLUSION: THE VARIETY OF BENEFITS DERIVED, THE ABSENCE OF SIDE EFFECTS, AND THE COST-BENEFIT RATIO OF THERAPEUTIC YOGA MAKE IT AN INTERESTING ALTERNATIVE FOR FAMILY PHYSICIANS TO SUGGEST TO THEIR PATIENTS WITH CANCER. CERTAIN METHODOLOGIC SHORTCOMINGS, INCLUDING THE LIMITED SIZE OF THE SAMPLES AND VARYING LEVELS OF ATTENDANCE ON THE PART OF THE SUBJECTS, MIGHT HAVE REDUCED THE STATISTICAL STRENGTH OF THE STUDIES PRESENTED. IT IS ALSO POSSIBLE THAT THE MEASUREMENT SCALES USED DID NOT SUIT THIS TYPE OF SITUATION AND PATIENT POPULATION, MAKING IT IMPOSSIBLE TO SEE A SIGNIFICANT EFFECT. HOWEVER, FAVOURABLE COMMENTS BY PARTICIPANTS DURING THE STUDIES AND THEIR LEVEL OF APPRECIATION AND WELL-BEING SUGGEST THAT FURTHER RESEARCH IS CALLED FOR TO FULLY UNDERSTAND THE MECHANISMS OF THESE EFFECTS. 2012 19 2470 42 YOGA AS A TREATMENT FOR CHRONIC LOW BACK PAIN: A SYSTEMATIC REVIEW OF THE LITERATURE. OBJECTIVES: CHRONIC LOW BACK PAIN (CLBP) AFFECTS MILLIONS OF PEOPLE WORLDWIDE, AND APPEARS TO BE INCREASING IN PREVALENCE. IT IS ASSOCIATED NOT ONLY WITH PAIN, BUT ALSO WITH INCREASED DISABILITY, PSYCHOLOGICAL SYMPTOMS, AND REDUCED QUALITY OF LIFE. THERE ARE VARIOUS TREATMENT OPTIONS FOR CLBP, BUT NO SINGLE THERAPY STANDS OUT AS BEING THE MOST EFFECTIVE. IN THE PAST 10 YEARS, YOGA INTERVENTIONS HAVE BEEN STUDIED AS A CLBP TREATMENT APPROACH. THE OBJECTIVE OF THIS PAPER IS TO REVIEW THE CURRENT LITERATURE SUPPORTING THE EFFICACY OF YOGA FOR CLBP. METHODS: A LITERATURE SEARCH THROUGH THE BEGINNING OF 2015 WAS CONDUCTED IN PUB MED FOR RANDOMIZED CONTROL TRIALS ADDRESSING TREATMENT OF CLBP WITH YOGA. RESULTS: IN THIS REVIEW WE EVALUATE THE USE OF YOGA AS A TREATMENT FOR CLBP. SPECIFICALLY WE EVALUATE HOW YOGA IMPACTS PHYSICAL FUNCTIONING AND DISABILITY, PAIN, AND ASSOCIATED PSYCHOLOGICAL SYMPTOMS. WE ALSO EVALUATE POSSIBLE MEDIATORS OF THE EFFECT OF YOGA AND THE SAFETY OF YOGA. DISCUSSION: WITH FEW EXCEPTIONS, PREVIOUS STUDIES AND THE RECENT RANDOMIZED CONTROL TRIALS (RCTS) INDICATE THAT YOGA CAN REDUCE PAIN AND DISABILITY, CAN BE PRACTICED SAFELY, AND IS WELL RECEIVED BY PARTICIPANTS. SOME STUDIES ALSO INDICATE THAT YOGA MAY IMPROVE PSYCHOLOGICAL SYMPTOMS, BUT THESE EFFECTS ARE CURRENTLY NOT AS WELL ESTABLISHED. 2016 20 1218 26 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