2022
Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans
Tamman AJF, Nagamatsu S, Krystal JH, Gelernter J, Montalvo-Ortiz JL, Pietrzak RH. Psychosocial Factors Associated With Accelerated GrimAge in Male U.S. Military Veterans. American Journal Of Geriatric Psychiatry 2022, 31: 97-109. PMID: 36210262, DOI: 10.1016/j.jagp.2022.09.002.Peer-Reviewed Original ResearchConceptsRisk factorsPremature mortalityU.S. veteransPsychosocial variablesNovel epigenetic clockLifetime substance use disorderRisk stratification modelMale U.S. veteransCross-sectional studyU.S. veteran populationWeekly physical exerciseSubstance use disordersMale U.S. military veteransBiological agingU.S. military veteransHealth morbidityModifiable correlatesMortality riskSleep qualityHigh riskGreater oddsUse disordersPhysical exercisePsychosocial factorsVeteran population
2018
BDNF Val66Met polymorphism and posttraumatic stress symptoms in U.S. military veterans: Protective effect of physical exercise
Pitts BL, Whealin JM, Harpaz-Rotem I, Duman RS, Krystal JH, Southwick SM, Pietrzak RH. BDNF Val66Met polymorphism and posttraumatic stress symptoms in U.S. military veterans: Protective effect of physical exercise. Psychoneuroendocrinology 2018, 100: 198-202. PMID: 30388593, DOI: 10.1016/j.psyneuen.2018.10.011.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmino Acid SubstitutionBrain-Derived Neurotrophic FactorCase-Control StudiesExerciseFemaleHumansMaleMethionineMiddle AgedMilitary PersonnelPolymorphism, Single NucleotideProtective FactorsResilience, PsychologicalSeverity of Illness IndexStress Disorders, Post-TraumaticUnited StatesValineVeteransConceptsMet allele carriersBDNF Val66Met polymorphismAllele carriersVal66Met polymorphismPhysical exerciseGreater severityPTSD symptomsU.S. military veteransTrauma burdenBrain-derived neurotrophic factor (BDNF) Val66Met polymorphismPast-month PTSD symptomsNeurotrophic factor Val66Met polymorphismMilitary veteransLifetime trauma burdenHigh trauma burdenVal/ValAdrenal (HPA) axis reactivityPosttraumatic stress disorder (PTSD) symptomsBDNF releaseCurrent PTSD symptomsProtective effectRe-experiencing symptomsAxis reactivityPosttraumatic stress symptomsSymptomsAssociation between physical exercise and mental health in 1·2 million individuals in the USA between 2011 and 2015: a cross-sectional study
Chekroud SR, Gueorguieva R, Zheutlin AB, Paulus M, Krumholz HM, Krystal JH, Chekroud AM. Association between physical exercise and mental health in 1·2 million individuals in the USA between 2011 and 2015: a cross-sectional study. The Lancet Psychiatry 2018, 5: 739-746. PMID: 30099000, DOI: 10.1016/s2215-0366(18)30227-x.Peer-Reviewed Original ResearchConceptsMental health burdenCross-sectional studyHealth burdenExercise typeMental healthPhysical exerciseBehavioral Risk Factor Surveillance System surveyPast monthBody mass index categoriesEffective clinical targetsPrevention's Behavioral Risk Factor Surveillance System (BRFSS) surveysSelf-reported mental healthFrequency of exerciseSelf-reported physical healthFunction of exerciseMultiple sensitivity analysesPoor mental healthTerms of ageCause mortalityPrevious diagnosisPotential confoundersInterventional studyCardiovascular diseaseReduced riskIndex categories