Human System Risks
Select a Human System Risk to learn more.
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Concern of Venous Thromboembolism

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Risk of Adverse Cognitive or Behavioral Changes and Psychiatric Disorders Leading to In-mission Health and Performance and Long-term Health Effects (Behavioral Health Risk)

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Risk of Adverse Health Effects Due to Host-Microorganism Interactions

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Risk of Adverse Health Outcomes and Decrements in Performance due to Inflight Medical Conditions

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Risk of Adverse Health Outcomes and Performance Decrements resulting from Non-Ionizing Radiation (NIR) during Spaceflight (Non-Ionizing Radiation Risk)

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Risk of Adverse In-Mission Health and Performance Effects and Long-Term Health Effects Due to Celestial Dust Exposure (Dust Risk)

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Risk of Adverse Mission Outcomes Due to Earth Independent Human-Systems Operations (EIHSO Risk)

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Risk of Altered Sensorimotor/Vestibular Function Impacting Critical Mission Tasks, Human Health, and Long-Term Health (Sensorimotor Risk)

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Risk of Bone Fracture due to Spaceflight-induced Changes to Bone

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Risk of Cardiovascular Adaptations Contributing to Adverse Mission Performance and Health Outcomes (CV Risk)

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Risk of Hearing Loss and Performance Decrements Due to Acoustics Issues in Space

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Risk of In Mission Impacts, Adverse Health Events or Long-Term Health Impacts due to Altered Immune Response (Immune Risk)

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Risk of In-Mission Injury and Performance Decrements and Long-term Health Effects due to Dynamic Loads (Dynamic Loads Risk)

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Risk of In-Mission Performance and Behavioral Health Decrements Due to Inadequate Cooperation, Coordination, Communication, and Psychosocial Adaptation within a Team (Team Risk)

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Risk of Ineffective or Toxic Medications During Long-Duration Exploration Spaceflight

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Risk of Mission Impacting Injury and Compromised Performance and Long-Term Health Effects due to EVA Operations (EVA Risk)

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Risk of Mission Impacts and Long-Term Health Issues due to Decompression Sickness

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Risk of Nominal Acute and Chronic Ambient Carbon Dioxide Exposure in Crewed Vehicles Leading to In-Mission Health Effects or Performance Decrements (CO2 Risk)

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Risk of Performance Decrement and Crew Illness Due to Inadequate Food and Nutrition

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Risk of Performance Decrements and Adverse Health Outcomes Resulting from Sleep Loss, Circadian Desynchronization, and Work Overload

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Risk of Radiation Carcinogenesis

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Risk of Reduced Crew Health and Performance Due to Hypoxia

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Risk of Reduced Physical Performance Capabilities Due to Reduced Aerobic Capacity (Aerobic Risk)

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Risk of Reduced Physical Performance Capabilities Due to Reduced Muscle Size, Strength, and Endurance (Muscle Risk)

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Risk of Renal Stone Formation

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Risk of Spaceflight Associated Neuro-ocular Syndrome

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Risk of Toxic Substance Exposure

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Risk of Urinary Retention

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Risk to Crew Health Due to Electrical Shock (Electrical Shock Risk)

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Risk to Vehicle Crew Egress Capability and Task Performance as Applied to Earth and Extraterrestrial Landings
