Human Health and Performance

Office of the Chief Health and Medical Officer (OCHMO)
General
Human Health and Performance
Human System Risks
Humans in Space
The Human Body in Space

Establishing a VTE Risk Score for Astronauts Algorithm

In April 2026, NASA’s Office of the Chief Health and Medical Officer (OCHMO) initiated a working group to review updated VTE case information, additional data gathered revealing altered blood flow status within a cohort of astronauts, and discuss progress of research and clinical activities intended to mitigate the risk of VTE during spaceflight wi
Posted July 18, 2026
Artemis 2
Human Health and Performance

Artemis II: What’s on the Menu?

The food flying aboard Artemis II is designed to support crew health and performance during the mission around the Moon. With no resupply, refrigeration, or late-load capability, all meals must be carefully selected to remain safe, shelf-stable, and easy to prepare and consume in NASA’s Orion spacecraft.
Posted March 3, 2026
Johnson Space Center
General
Human Health and Performance
International Space Station (ISS)

A Quarter Century in Orbit: Science Shaping Life on Earth and Beyond 

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research that is transforming life on Earth and shaping the future of exploration.
Posted January 13, 2026
Johnson Space Center
Human Health and Performance
People of Johnson

Susan Schuh: Supporting the Humans in Human Spaceflight 

Susan Schuh has dedicated her career to helping humans adapt to life beyond Earth.   As the Flight Crew Integration Operational Habitability (OpsHab) team lead in NASA’s Human Health and Performance Directorate at Johnson Space Center in Houston, Schuh leads efforts to understand what it is really like to live and work in space. She turns […]
Posted January 12, 2026
Human Health and Performance

Microbiology

Microorganisms and Spaceflight Spaceflight poses a risk of adverse health effects due to the interactions between microorganisms, their hosts, and their environment.
Posted December 30, 2025
Human Health and Performance

Hazardous Material Summary Tables (HMSTs)

Hazardous Materials Summary Tables (HMSTs) are a compilation of the chemical, biological, and flammability hazards of materials on a given flight or mission. HMSTs are required by Safety for all Programs, including but not limited to ISS, Commercial Crew Program (CCP), Multi Purpose Crew Vehicle (MPCV), and Gateway.
Posted December 3, 2025
Human Health and Performance

Toxicology Analysis of Spacecraft Air

Toxicology and Environmental Chemistry (TEC) monitors airborne contaminants in both spacecraft air and water. In-flight monitors are employed to provide real-time insight into the environmental conditions on ISS. Archival samples are collected and returned to Earth for full characterization of ISS air and water.
Posted December 3, 2025
TREAT Astronauts Act
Human Health and Performance

LSAH Newsletter

The Lifetime Surveillance of Astronaut Health (LSAH) program collects, analyzes, and interprets medical, physiological, hazard exposure, and environmental data for the purpose of maintaining astronaut health and safety as well as preventing occupationally induced injuries or disease related to space flight or space flight training.
Posted November 25, 2025
Office of the Chief Health and Medical Officer (OCHMO)
Astronauts
General
Human Health and Performance
Humans in Space
The Human Body in Space

Risk of Venous Thromboembolism During Spaceflight

In October 2024, NASA’s Office of the Chief Health and Medical Officer (OCHMO) initiated a working group to review the status and progress of research and clinical activities intended to mitigate the risk of venous thromboembolism (VTE) during spaceflight.
Posted March 15, 2025
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88
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