How space medicine can help patients on Earth

Got story updates? Submit your updates here. ›

Dr. Ali Raja, a member of Mass General Brigham's Space Medicine program, explains how studying the human body's performance in extreme environments like space can provide valuable insights for treating patients on Earth. He discusses how space medicine research on topics like bone loss, muscle atrophy, and heart adaptation to weightlessness can translate to improving care for patients dealing with long-term bed rest, sleep deprivation, and delivering medical care to remote areas. Dr. Raja also highlights the physical changes astronauts experience even in the first few days of spaceflight and the challenges that would arise for longer missions to destinations like Mars.

Why it matters

Space medicine research provides a unique laboratory to study how the human body responds to extreme conditions, which can lead to advancements in treating patients on Earth dealing with similar physiological stresses. As space exploration continues to advance, understanding how to maintain astronaut health over longer durations will become increasingly important.

The details

Dr. Ali Raja, Vice Chair of Emergency Medicine at Mass General Brigham, is part of the hospital's Space Medicine program. He explains that space medicine focuses on how the human body performs in extreme environments, which has practical applications for patients on Earth. For example, studying bone loss, muscle atrophy, and heart adaptation to weightlessness in astronauts can translate to improving care for patients on long-term bed rest or dealing with sleep deprivation. Space medicine also provides insights into delivering high-tech medical care to remote or rural areas. Even within the first 48 hours of spaceflight, astronauts begin to experience physical changes like fluid redistribution, motion sickness, and temperature regulation challenges. Longer missions to destinations like Mars would present even greater medical challenges, requiring the development of self-sufficient mini-hospitals on spacecraft to handle complex diagnostics and treatment without immediate Earth-based support.

• Artemis Two crew is currently on its way to the Moon, having completed a successful translunar injection burn yesterday.
• Astronauts have been in space for about 48 hours.

What they’re saying

What’s next

As space exploration continues to advance, particularly with potential missions to Mars that could last for months, understanding how to maintain astronaut health over longer durations will become increasingly important.