Altitude SicknessMountaineeringAltitudeExpeditionsMotion SicknessAtmosphere Exposure ChambersAcetazolamideDecompressionSeverity of Illness IndexAnoxiaPolycythemiaNepalTibetCarbonic Anhydrase InhibitorsAtmospheric PressureAcute DiseasePlant DiseasesFollow-Up StudiesAcclimatizationTreatment OutcomeSerum SicknessSick LeavePulmonary EdemaQuestionnairesBlood Circulation TimeDecompression SicknessHypoventilationBrain EdemaAbsenteeismHeadachePeruPulmonary Heart DiseaseAdaptation, PhysiologicalAfrican Horse SicknessOxygenHematocritGinkgo bilobaSwitzerlandTrypanosomiasis, AfricanChronic DiseaseBlood Gas AnalysisDexamethasoneRespiratory MechanicsRespirationOxygen ConsumptionTrypanosoma brucei gambienseTime FactorsProspective StudiesWork Capacity EvaluationMorning SicknessDouble-Blind MethodExerciseCerebrovascular CirculationPlacebosDisease SusceptibilityCertificationHeart RateSweating SicknessTreesOccupational HealthTrypanosoma brucei rhodesienseOccupational Diseases