PainPain ManagementChronic PainElasticityInflammationPain ThresholdBipolar DisorderPain, PostoperativeLow Back PainBack PainPain MeasurementMental DisordersNeck PainAbdominal PainAnxiety DisordersMood DisordersBiomechanical PhenomenaPain, IntractablePelvic PainFacial PainPain PerceptionChronic DiseaseBehcet SyndromeAnti-Inflammatory AgentsArctiumAngiolymphoid Hyperplasia with EosinophiliaDiagnostic and Statistical Manual of Mental DisordersAcute PainElastic ModulusPain, ReferredDisease Models, AnimalPulse Wave AnalysisInflammatory Bowel DiseasesStill's Disease, Adult-OnsetShoulder PainAutoimmune DiseasesElasticity Imaging TechniquesImmune System DiseasesPulsatile FlowCytokinesDepressive Disorder, MajorComplianceSeverity of Illness IndexCells, CulturedMusculoskeletal PainAttention Deficit Disorder with HyperactivityMice, Inbred C57BLDepressive DisorderCrohn DiseaseArthritis, RheumatoidTreatment OutcomePsoriasisTime FactorsStress, MechanicalSignal TransductionTumor Necrosis Factor-alphaArteriesStress Disorders, Post-TraumaticObsessive-Compulsive DisorderColitisAutistic DisorderHygieneCase-Control StudiesSkin DiseasesAnti-Inflammatory Agents, Non-SteroidalInflammation MediatorsPhobic DisordersSubstance-Related DisordersScleritisRisk FactorsModels, BiologicalChild Development Disorders, PervasiveHelicobacter hepaticusPsychotic DisordersAsthmaUrtica dioicaMice, KnockoutAnalgesicsSkinPulseNF-kappa BArthritisDermatitis, IrritantImmunity, InnateGene Expression RegulationLipopolysaccharidesBiological MarkersRange of Motion, ArticularImmunologic FactorsNociceptive PainNeuralgiaDermatitisHypersensitivityGenetic Predisposition to DiseaseQuestionnairesRNA, MessengerConduct DisorderNeutrophilsArthralgiaProspective Studies