Social IsolationSocial BehaviorLonelinessSocial SupportArvicolinaeSocial EnvironmentStress, PsychologicalBehavior, AnimalPolydipsiaHousing, AnimalSocial PerceptionSocial ClassAnxietyHandling (Psychology)Social AdjustmentInterpersonal RelationsSocial DominanceSensory GatingSocial MediaStartle ReactionSocial WorkCorticosteroneHierarchy, SocialPregnanoloneSocial SciencesReceptors, Corticotropin-Releasing HormonePituitary-Adrenal SystemAdaptation, PsychologicalQuestionnairesDepressionAnalysis of VarianceAggressionArrhythmia, SinusRestraint, PhysicalSocioeconomic FactorsDepressive DisorderHealth StatusMotor ActivitySocial DistanceSocial ChangeQuality of LifeHypothalamo-Hypophyseal SystemEmotionsSex FactorsResidence CharacteristicsOxytocinHealth Status IndicatorsUnemploymentSocial Conditions