Garrett Ash, PhD
Assistant Professor of Medicine (General Medicine), Assistant Professor of Biomedical Informatics and Data ScienceCards
About
Research
Publications
2026
Deployment of an Activity Monitoring Program to Complement a Clinical Intervention for Veterans With Gulf War Illness: Qualitative Study
Mak S, McManus P, Greer S, Haws K, Carlson C, Chandler H, Osinubi O, Ash G. Deployment of an Activity Monitoring Program to Complement a Clinical Intervention for Veterans With Gulf War Illness: Qualitative Study. JMIR Human Factors 2026, 13: e82177. PMID: 41860162, DOI: 10.2196/82177.Peer-Reviewed Original ResearchConceptsHealth coaching programActivity monitoring programCoaching programHealth coaching interventionSymptom self-managementActivity monitoringVirtual health coachPoor quality of lifeMental health needsGulf War IllnessPoor qualityQuality of lifeHealth coachingWellness goalsSymptom managementProgram feasibilityHealth needsCoaching interventionSelf-ManagementSemistructured interviewsPatient educationVerbal consentQualitative studyQualitative findingsVeteransDirectly Engaging Patients with Glucose Management: Integrated Visualization of Personal Device Data for Use Between Traditional Visits
Patterson E, Lacko J, Der-McLeod E, Chuang V, Ash G, Fung C, Mak S. Directly Engaging Patients with Glucose Management: Integrated Visualization of Personal Device Data for Use Between Traditional Visits. Human Factors In Healthcare 2026, 100131. DOI: 10.1016/j.hfh.2026.100131.Peer-Reviewed Original ResearchTraditional visitsShared decision-makingDiabetes Self-ManagementWearable devicesQuality of lifeSelf-reported dataIntegrated visualizationPhysical activitySelf-ManagementReactions of patientsType 2 diabetesMultiple wearable devicesSelf-EfficacySleep qualityBehavioral changesGlucose managementActive choiceVisitsInterview protocolSynchronization supportInformation displayInformation partnersGlucose levelsCliniciansInterviewsTesting Multiple Delivery Methods of the Virtual Exercise Games for Youth with T1D (ExerT1D) Peer Intervention: Protocol Development and Feasibility.
Ash G, Nam S, Mak S, Stults-Kolehmainen M, Haughton A, Turek C, Baker J, Hieftje K, Marks A, Chmielewski A, Shelver M, Considine E, Lukasik J, Weinzimer S, Nally L. Testing Multiple Delivery Methods of the Virtual Exercise Games for Youth with T1D (ExerT1D) Peer Intervention: Protocol Development and Feasibility. Hormone Research In Paediatrics 2026, 1-26. PMID: 41697894, PMCID: PMC12971191, DOI: 10.1159/000550880.Peer-Reviewed Original ResearchModerate-to-vigorous physical activityActive videogamesPhysical activityExercise gamesLiving with diabetesSupportive environmentSelf-management skillsMultiple delivery methodsQuality of lifeSelf-ManagementIntervention impactPeer interventionsGoal settingAdult coachesGlycemic outcomesRole-modeling supportType 1 diabetesProtocol developmentCoachingDiverse youthInterventionPeer activitiesVR appsCliniciansSessions
2025
Oura Ring Behavioral Feedback Intervention for Alcohol Reduction in Young Adults: User Experience Evaluation of a Pilot Randomized Trial
Griffith F, Ellison O, Kunchay S, Augustine M, DeMartini K, Fatigate M, Latimer L, O'Malley S, Redeker N, Ash G, Fucito L. Oura Ring Behavioral Feedback Intervention for Alcohol Reduction in Young Adults: User Experience Evaluation of a Pilot Randomized Trial. Journal Of Medical Internet Research 2025, 27: e78613. PMID: 41343856, PMCID: PMC12677873, DOI: 10.2196/78613.Peer-Reviewed Original ResearchConceptsNatural language processingUser baseLanguage processingUser experience evaluationFeedback reportsSmartphone diariesGroup participantsOura ringYoung adult alcohol useFitness wearablesFace-to-face exit interviewFeedback interventionYoung adultsExperience evaluationPilot randomized controlled trialAlcohol reductionMobile appsMultiple intervention componentsSMS text messagesPilot Randomized TrialAppsConvergent mixed methodsBehavioral dataUsersRandomized Controlled TrialsAugmenting management of obstructive sleep apnea with consumer wearable devices to increase use of positive airway pressure therapy: a pilot randomized trial
Fung C, Mak S, Ash G, Der-McLeod E, Ereso B, Naeem S, Liu J, Ghadimi S, Te T, Chan V, Hurtado J, Wong S, Zeidler M, Liang L. Augmenting management of obstructive sleep apnea with consumer wearable devices to increase use of positive airway pressure therapy: a pilot randomized trial. Sleep 2025, zsaf342. PMID: 41159689, DOI: 10.1093/sleep/zsaf342.Peer-Reviewed Original ResearchPositive airway pressureObstructive sleep apneaPositive airway pressure useRandomized trialsSleep apneaPAP useBetween-group differencesManagement of obstructive sleep apneaPositive airway pressure therapyAirway pressure therapyControl groupPilot Randomized TrialSite-randomized trialBetween-groupAirway pressurePulse oximetry dataSleep centerVeterans Affairs Medical CenterPressure therapyAffairs Medical CenterPrimary outcomeDepartment of Veterans Affairs Medical CenterOximetry dataSingle-blindImmediate groupIntegrating Consumer-Grade Wearable Devices and Patient-Generated Health Data into Clinical Care: Perspectives from Healthcare Professionals at a Learning Health System
Mak S, Kinney R, Bailey A, Gaffey A, Relyea M, Spanakis E, Ash G. Integrating Consumer-Grade Wearable Devices and Patient-Generated Health Data into Clinical Care: Perspectives from Healthcare Professionals at a Learning Health System. Journal Of General Internal Medicine 2025, 1-12. PMID: 41068528, PMCID: PMC12954729, DOI: 10.1007/s11606-025-09876-x.Peer-Reviewed Original ResearchPatient-generated health dataLearning healthcare systemConsumer-grade wearablesHealth system infrastructureHealthcare professionalsHealth systemClinical workflowIntegration of patient-generated health dataIntegrated health systemLearning health systemClinical care providersConsumer-grade wearable devicesSemi-structured interviewsCare providersHealth accessPatient-generatedPatient interactionsHealth dataHealthcare systemClinical careWorkload issuesWorkload implicationsQualitative findingsPurposive samplingPatient outcomesEffectiveness Of Treatment Interventions And Loss To Follow-up For Patients Referred To Rehabilitation Medicine
He Q, Tao D, Stults-Kolehmainen M, Li S, Awan-Scully R, Gong Q, Ash G. Effectiveness Of Treatment Interventions And Loss To Follow-up For Patients Referred To Rehabilitation Medicine. Medicine & Science In Sports & Exercise 2025, 57: 69-70. DOI: 10.1249/01.mss.0001155052.22558.67.Peer-Reviewed Original ResearchExercise Interventions Among Individuals With Co-occurring HIV And Unhealthy Substance Use: A Systematic Review
Mistler C, Allen W, Grimshaw A, Idiong C, Harsono D, Irwin M, Ash G, Pescatello L, Meyer J, Edelman E. Exercise Interventions Among Individuals With Co-occurring HIV And Unhealthy Substance Use: A Systematic Review. Medicine & Science In Sports & Exercise 2025, 57: 755-755. DOI: 10.1249/01.mss.0001161400.40878.dc.Peer-Reviewed Original ResearchPhysicians’ Perspective On Dance Movement Interventions As A Complementary Treatment For Cognitive Impairments
Awan-Scully R, Tao D, Stults-Kolehmainen M, Ash G. Physicians’ Perspective On Dance Movement Interventions As A Complementary Treatment For Cognitive Impairments. Medicine & Science In Sports & Exercise 2025, 57: 651-651. DOI: 10.1249/01.mss.0001160436.26004.53.Peer-Reviewed Original ResearchExercise prescription and patient outcomes
Wood L, Ash G. Exercise prescription and patient outcomes. BMC Primary Care 2025, 26: 233. PMID: 40731264, PMCID: PMC12308889, DOI: 10.1186/s12875-025-02953-4.Peer-Reviewed Original Research
Academic Achievements & Community Involvement
News
News
- July 18, 2025Source: Yale News
For Young Adults, Improved Sleep Is Incentive to Drink Less
- December 03, 2024Source: Nature Digital Medicine
Natural Language Processing in Mixed-Methods Evaluation of a Digital Sleep-Alcohol Intervention For Young Adults
- August 05, 2024
Meet Yale Internal Medicine: Garrett Ash, PhD
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Yale School of Medicine
Section of General Internal Medicine, 100 Church Street South
New Haven, CT 06519
United States