Ryan Bradley

Title(s)Associate Adjunct Professor, Herbert Wertheim School of Public Health & Human Longevity Science
SchoolVc-health Sciences-schools
Address9500 Gilman Drive #
La Jolla CA 92093
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    Collapse Biography 
    Collapse Education and Training
    Bastyr University, Seattle, WAND06/2003Naturopathic Medicine
    University of Washington, Seattle, WAMPH06/2009Epidemiology
    Collapse Awards and Honors
    Patient-Centered Outcomes Research Institute (PCORI)2022Member, Board of Governors

    Collapse Overview 
    Collapse Overview
    Dr. Bradley received his Doctor of Naturopathy degree from Bastyr University and his Master of Public Health degree from the University of Washington. At UCSD, Dr. Bradley is an Associate Professor in the Herbert Wertheim School of Public Health and Human Longevity Science, a member of the Center for Integrative Health Research and is a faculty and mentor for the Integrated Cardiovascular Research T32 program.

    Dr. Bradley’s clinical research focuses on diet, nutrition, natural products, mind-body practices and complementary/integrative health in the context of cardiometabolic disease. He is also an active investigator in the Multi-Ethnic Study of Atherosclerosis (MESA) cohort related to gamma-glutamyltransferase (GGT) as a biomarker of glutathione demand in the context of cardiometabohepatic risk. He also studies the impact of dietary supplement use on cardiovascular health outcomes.

    Collapse ORNG Applications 
    Collapse Clinical Trials

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Blood pressure and hypertension in older adults with a history of regular cannabis use: findings from the Multi-Ethnic Study of Atherosclerosis. Front Cardiovasc Med. 2024; 11:1432923. Corroon J, Bradley R, Allison MA, Grant I. PMID: 39539498; PMCID: PMC11557345.
      View in: PubMed   Mentions:
    2. Regular cannabis smoking and carotid artery calcification in the Multi-Ethnic Study of Atherosclerosis (MESA). Vasc Med. 2024 Oct 23; 1358863X241287690. Corroon J, Bradley R, Grant I, Daniels MR, Denenberg J, Bancks MP, Allison MA. PMID: 39439386.
      View in: PubMed   Mentions:    Fields:    
    3. Evaluating mineral biomarkers as mediators and moderators of behavioural improvements in a randomised controlled trial of multinutrients for children with attention-deficit/hyperactivity disorder. Br J Nutr. 2024 May 31; 1-15. Robinette LM, Johnstone JM, Srikanth P, Bruton AM, Ralle M, Ast HK, Bradley RD, Leung B, Arnold LE, Hatsu IE. PMID: 38818718.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Trends in Cannabis Use, Blood Pressure, and Hypertension in Middle-Aged Adults: Findings From NHANES, 2009-2018. Am J Hypertens. 2023 11 15; 36(12):651-659. Corroon J, Grant I, Bradley R, Allison MA. PMID: 37479221; PMCID: PMC10647009.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    5. Associations Between Monthly Cannabis Use and Myocardial Infarction in Middle-Aged Adults: NHANES 2009 to 2018. Am J Cardiol. 2023 10 01; 204:226-233. Corroon J, Grant I, Allison MA, Bradley R. PMID: 37556891; PMCID: PMC10998689.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansAnimals
    6. Clinical aspects of binge eating disorder: A cross-sectional mixed-methods study of binge eating disorder experts' perspectives. Front Psychiatry. 2022; 13:1087165. Bray B, Sadowski A, Bray C, Bradley R, Zwickey H. PMID: 36864846; PMCID: PMC9971930.
      View in: PubMed   Mentions: 2  
    7. Participant Perspectives on Community Qigong for People with Multiple Sclerosis. Integr Med Rep. 2023 Feb 01; 2(1):26-34. Buttolph L, Wooliscroft L, Bradley R, Zwickey H. PMID: 36895618; PMCID: PMC9986858.
      View in: PubMed   Mentions:
    8. A closer look at yoga nidra- early randomized sleep lab investigations. J Psychosom Res. 2023 03; 166:111169. Sharpe E, Butler MP, Clark-Stone J, Soltanzadeh R, Jindal R, Hanes D, Bradley R. PMID: 36731199; PMCID: PMC9973252.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. Xanthohumol microbiome and signature in adults with Crohn's disease (the XMaS trial): a protocol for a phase II triple-masked, placebo-controlled clinical trial. Trials. 2022 Oct 22; 23(1):885. Langley BO, Ryan JJ, Phipps J, Buttolph L, Bray B, Aslan JE, Metz TO, Stevens JF, Bradley R. PMID: 36273173; PMCID: PMC9587656.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCTClinical Trials
    10. Prevalence and associated factors of complementary and integrative medicine use in patients afflicted with COVID-19. BMC Complement Med Ther. 2022 Sep 30; 22(1):251. Parvizi MM, Forouhari S, Shahriarirad R, Shahriarirad S, Bradley RD, Roosta L. PMID: 36180868; PMCID: PMC9524323.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    11. Associations between food-specific IgG antibodies and intestinal permeability biomarkers. Front Nutr. 2022; 9:962093. Vita AA, Zwickey H, Bradley R. PMID: 36147305; PMCID: PMC9485556.
      View in: PubMed   Mentions: 2  
    12. Protocol for mindfulness-oriented recovery enhancement (MORE) in the management of lumbosacral radiculopathy/radiculitis symptoms: A randomized controlled trial. Contemp Clin Trials Commun. 2022 Aug; 28:100962. Wexler RS, Fox DJ, Edmond H, Lemau J, ZuZero D, Bollen M, Montenegro D, Parikshak A, Thompson AR, Carlson NL, Carlson HL, Wentz AE, Bradley R, Hanes DA, Zwickey H, Pickworth CK. PMID: 35812821; PMCID: PMC9260614.
      View in: PubMed   Mentions: 2  
    13. Changes in Biomarkers of Non-Alcoholic Fatty Liver Disease (NAFLD) upon Access to Avocados in Hispanic/Latino Adults: Secondary Data Analysis of a Cluster Randomized Controlled Trial. Nutrients. 2022 Jun 30; 14(13). Pacheco LS, Bradley RD, Anderson CAM, Allison MA. PMID: 35807924; PMCID: PMC9268862.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansAnimals
    14. Associations between Frequency of Culinary Herb Use and Gut Microbiota. Nutrients. 2022 May 09; 14(9). Vita AA, McClure R, Farris Y, Danczak R, Gundersen A, Zwickey H, Bradley R. PMID: 35565947; PMCID: PMC9099813.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCells
    15. Meditative practices, stress and sleep among students studying complementary and integrative health: a cross-sectional analysis. BMC Complement Med Ther. 2022 May 05; 22(1):127. Sadowski A, Wexler RS, Hanes D, Buttolph L, Torrens T, Moehle J, Sarrar H, Harnett J, Zava DT, Bradley R. PMID: 35513823; PMCID: PMC9070612.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    16. Effects of Different Allotments of Avocados on the Nutritional Status of Families: A Cluster Randomized Controlled Trial. Nutrients. 2021 Nov 11; 13(11). Pacheco LS, Bradley RD, Denenberg JO, Anderson CAM, Allison MA. PMID: 34836276; PMCID: PMC8623192.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansAnimals
    17. A naturopathic treatment approach for mild and moderate COVID-19: A retrospective chart review. Complement Ther Med. 2021 Dec; 63:102788. Barber MS, Barrett R, Bradley RD, Walker E. PMID: 34748955; PMCID: PMC8570825.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCells
    18. Qualitative Impressions of a Yoga Nidra Practice for Insomnia: An Exploratory Mixed-Methods Design. J Altern Complement Med. 2021 Oct; 27(10):884-892. Sharpe E, Tibbitts D, Wolfe B, Senders A, Bradley R. PMID: 34265219; PMCID: PMC10772320.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    19. Investigating components of pranayama for effects on heart rate variability. J Psychosom Res. 2021 09; 148:110569. Sharpe E, Lacombe A, Sadowski A, Phipps J, Heer R, Rajurkar S, Hanes D, Jindal RD, Bradley R. PMID: 34271528; PMCID: PMC8568305.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansCTClinical Trials
    20. Program evaluation of trauma-informed yoga for vulnerable populations. Eval Program Plann. 2021 10; 88:101946. Tibbitts DC, Aicher SA, Sugg J, Handloser K, Eisman L, Booth LD, Bradley RD. PMID: 33901773; PMCID: PMC8325936.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    21. Potential reversal of epigenetic age using a diet and lifestyle intervention: a pilot randomized clinical trial. Aging (Albany NY). 2021 04 12; 13(7):9419-9432. Fitzgerald KN, Hodges R, Hanes D, Stack E, Cheishvili D, Szyf M, Henkel J, Twedt MW, Giannopoulou D, Herdell J, Logan S, Bradley R. PMID: 33844651; PMCID: PMC8064200.
      View in: PubMed   Mentions: 95     Fields:    Translation:HumansCells
    22. Xanthohumol Microbiome and Signature in Healthy Adults (the XMaS Trial): Safety and Tolerability Results of a Phase I Triple-Masked, Placebo-Controlled Clinical Trial. Mol Nutr Food Res. 2021 04; 65(8):e2001170. Langley BO, Ryan JJ, Hanes D, Phipps J, Stack E, Metz TO, Stevens JF, Bradley R. PMID: 33629812; PMCID: PMC8221389.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansCTClinical Trials
    23. Predicting Non-Alcoholic Fatty Liver Disease for Adults Using Practical Clinical Measures: Evidence from the Multi-ethnic Study of Atherosclerosis. J Gen Intern Med. 2021 09; 36(9):2648-2655. Rodriguez LA, Shiboski SC, Bradshaw PT, Fernandez A, Herrington D, Ding J, Bradley RD, Kanaya AM. PMID: 33501527; PMCID: PMC8390627.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    24. Protocol for The International Cohort on Lifestyle Determinants of Health Study: A Longitudinal Investigation of Complementary and Integrative Health Utilization in Postsecondary Education Students. J Altern Complement Med. 2021 Feb; 27(2):184-191. Bradley R, Pickworth CK, Wexler RS, Sadowski A, Buttolph L, Sarrar H, Moehle J, Torrens MT, Harnett J, McIntyre E, Schloss J, Steel A, Adams J. PMID: 33332217; PMCID: PMC9208429.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    25. The potential of novel plant protein foods to improve dietary patterns and markers of cardiovascular health. Am J Clin Nutr. 2020 11 11; 112(5):1151-1152. Anderson CAM, Bradley R. PMID: 33022696.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    26. Early evidence of efficacy for orally administered SPM-enriched marine lipid fraction on quality of life and pain in a sample of adults with chronic pain. J Transl Med. 2020 10 21; 18(1):401. Callan N, Hanes D, Bradley R. PMID: 33087142; PMCID: PMC7579794.
      View in: PubMed   Mentions: 13     Fields:    Translation:HumansCTClinical Trials
    27. Xanthohumol microbiome and signature in healthy adults (the XMaS trial): a phase I triple-masked, placebo-controlled clinical trial. Trials. 2020 Oct 07; 21(1):835. Bradley R, Langley BO, Ryan JJ, Phipps J, Hanes DA, Stack E, Jansson JK, Metz TO, Stevens JF. PMID: 33028396; PMCID: PMC7542976.
      View in: PubMed   Mentions: 9     Fields:    
    28. Indications and administration practices amongst medical cannabis healthcare providers: a cross-sectional survey. BMC Fam Pract. 2019 12 14; 20(1):174. Corroon J, Sexton M, Bradley R. PMID: 31837706; PMCID: PMC6911295.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    29. Effect of a Nutrition Support Formula in Adults With Inflammatory Bowel Disease: A Pilot Study. Glob Adv Health Med. 2019; 8:2164956119867251. Ryan JJ, Hanes DA, Bradley RD, Contractor N. PMID: 31384513; PMCID: PMC6664624.
      View in: PubMed   Mentions: 6  
    30. CTIM special issue on type 2 diabetes mellitus. Complement Ther Med. 2019 Aug; 45:A1-A2. Bradley R. PMID: 31331590.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Randomized controlled trials investigating the relationship between dietary pattern and high-sensitivity C-reactive protein: a systematic review. Nutr Rev. 2019 06 01; 77(6):363-375. Pickworth CK, Deichert DA, Corroon J, Bradley RD. PMID: 31222367.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    32. Design of a Multidisciplinary Training Program in Complementary and Integrative Health Clinical Research: Building Research Across Interdisciplinary Gaps. J Altern Complement Med. 2019 May; 25(5):509-516. Bradley R, Booth-LaForce C, Hanes D, Scott C, Sherman KJ, Lin YS, Zwickey H. PMID: 30758218; PMCID: PMC6533782.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    33. Effects of a topical botanically-enriched salve on cutaneous oxygenation. J Wound Care. 2019 Feb 01; 28(Sup2):S16-S22. Corroon J, Bradley R, Erlandsen A, Taylor J, Hanes D. PMID: 30767637.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    34. Circulating Interleukin-6 is a biomarker for coronary atherosclerosis in nonalcoholic fatty liver disease: Results from the Multi-Ethnic Study of Atherosclerosis. Int J Cardiol. 2018 05 15; 259:198-204. Simon TG, Trejo MEP, McClelland R, Bradley R, Blaha MJ, Zeb I, Corey KE, Budoff MJ, Chung RT. PMID: 29579601; PMCID: PMC5875712.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    35. Effects of Sheetali and Sheetkari Pranayamas on Blood Pressure and Autonomic Function in Hypertensive Patients. Integr Med (Encinitas). 2017 Oct; 16(5):32-37. Shetty P, Reddy B KK, Lakshmeesha DR, Shetty SP, Kumar G S, Bradley R. PMID: 30936803; PMCID: PMC6438091.
      View in: PubMed   Mentions: 7  
    36. Computerized tomography measured liver fat is associated with low levels of N-terminal pro-brain natriuretic protein (NT-proBNP). Multi-Ethnic Study of Atherosclerosis. Metabolism. 2016 May; 65(5):728-735. Sanchez OA, Lazo-Elizondo M, Zeb I, Tracy RP, Bradley R, Duprez DA, Bahrami H, Peralta CA, Daniels LB, Lima JA, Maisel A, Jacobs DR, Budoff MJ. PMID: 27085779; PMCID: PMC4834558.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCells
    37. Impact of vitamin D3 dietary supplement matrix on clinical response. J Clin Endocrinol Metab. 2014 Aug; 99(8):2720-8. Traub ML, Finnell JS, Bhandiwad A, Oberg E, Suhaila L, Bradley R. PMID: 24684456; PMCID: PMC4121030.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    38. Associations between γ-glutamyltransferase (GGT) and biomarkers of atherosclerosis: the Multi-ethnic Study of Atherosclerosis (MESA). Atherosclerosis. 2014 Apr; 233(2):387-393. Bradley RD, Fitzpatrick AL, Jacobs DR, Lee DH, Swords Jenny N, Herrington D. PMID: 24530768; PMCID: PMC4000064.
      View in: PubMed   Mentions: 19     Fields:    Translation:Humans
    39. A test of biological and behavioral explanations for gender differences in telomere length: the multi-ethnic study of atherosclerosis. Biodemography Soc Biol. 2014; 60(2):156-73. Needham BL, Diez Roux AV, Bird CE, Bradley R, Fitzpatrick AL, Jacobs DR, Ouyang P, Seeman TE, Thurston RC, Vaidya D, Wang S. PMID: 25343364; PMCID: PMC4460606.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansCells
    40. Naturopathic medicine for the prevention of cardiovascular disease: a randomized clinical trial. CMAJ. 2013 Jun 11; 185(9):E409-16. Seely D, Szczurko O, Cooley K, Fritz H, Aberdour S, Herrington C, Herman P, Rouchotas P, Lescheid D, Bradley R, Gignac T, Bernhardt B, Zhou Q, Guyatt G. PMID: 23630244; PMCID: PMC3680587.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    41. Coenzyme Q10 deficiency in patients with Parkinson's disease. J Neurol Sci. 2012 Jul 15; 318(1-2):72-5. Mischley LK, Allen J, Bradley R. PMID: 22542608; PMCID: PMC3366011.
      View in: PubMed   Mentions: 32     Fields:    Translation:HumansCells
    42. Adjunctive naturopathic care for type 2 diabetes: patient-reported and clinical outcomes after one year. BMC Complement Altern Med. 2012 Apr 18; 12:44. Bradley R, Sherman KJ, Catz S, Calabrese C, Oberg EB, Jordan L, Grothaus L, Cherkin D. PMID: 22512949; PMCID: PMC3403984.
      View in: PubMed   Mentions: 16     Fields:    Translation:HumansCTClinical Trials
    43. Psychological effects of Yi Ren Medical Qigong and progressive resistance training in adults with type 2 diabetes mellitus: a randomized controlled pilot study. Altern Ther Health Med. 2012 Jan-Feb; 18(1):30-4. Putiri AL, Lovejoy JC, Gillham S, Sasagawa M, Bradley R, Sun GC. PMID: 22516850.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    44. Survey of CAM interest, self-care, and satisfaction with health care for type 2 diabetes at group health cooperative. BMC Complement Altern Med. 2011 Dec 01; 11:121. Bradley R, Sherman KJ, Catz S, Calabrese C, Jordan L, Grothaus L, Cherkin DC. PMID: 22132687; PMCID: PMC3280939.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    45. Effects of oral glutathione supplementation on systemic oxidative stress biomarkers in human volunteers. J Altern Complement Med. 2011 Sep; 17(9):827-33. Allen J, Bradley RD. PMID: 21875351; PMCID: PMC3162377.
      View in: PubMed   Mentions: 62     Fields:    Translation:HumansCells
    46. CAM: naturopathic dietary interventions for patients with type 2 diabetes. Complement Ther Clin Pract. 2011 Aug; 17(3):157-61. Oberg EB, Bradley RD, Allen J, McCrory MA. PMID: 21742282; PMCID: PMC3136887.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
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