Astronauts tend to live longer than average, why is that?

What aspects of their unique occupations and lifestyles contribute to their remarkable longevity? 

Screenshot 2024 12 23 at 12.13.03 PM
NASA astronaut and Expedition 72 Flight Engineer Nick Hague pedals on the Cycle Ergometer with Vibration Isolation and Stabilization (CEVIS), an exercise cycle located aboard the International Space Station’s Destiny laboratory module. CEVIS provides aerobic and cardiovascular conditioning through recumbent (leaning back position) or upright cycling activities. Photo Credit: NASA

When we think about astronauts, we image heroic people travelling into the unknown. However, there is an interesting trend among these space pioneers: astronauts live longer than the typical individual. What aspects of their unique occupations and lifestyles contribute to their remarkable longevity?

Elite Selection and Fitness

Astronauts are not average professionals; they are chosen from a pool of extremely healthy and fit people. The selection procedure consists of rigorous medical screens, psychological examinations, and physical endurance tests. Only the healthiest prospects make the cut. These individuals begin their careers with a substantial advantage: their bodies and minds are in peak condition.

Lifestyle and Training

Once selected, astronauts go through years of rigorous training – two years for NASA – that prioritises physical fitness, mental resilience, and discipline. Their exercise routines are designed to improve cardiovascular health while also maintaining muscular and bone strength. Furthermore, astronauts eat carefully planned diets that provide adequate nourishment. These practices frequently last well beyond their active years, resulting in a lifelong dedication to health.

Access to Top-Tier Healthcare

Astronauts receive some of the most modern medical care available. They are closely monitored prior to, during, and following their operations. Regular health examinations ensure that any possible problems are identified and handled early on. Even after retirement, many astronauts continue to be cared for by space agencies or research organisations, giving them access to cutting-edge medical advances.

Mental Resilience and Stress Management

Astronauts’ psychological training is another vital aspect. Space missions necessitate exceptional mental strength and the ability to handle stress in high-pressure situations. Astronauts acquire ways for remaining calm, focused, and adaptable—skills that are useful in everyday life. Low stress levels have long been linked to improved overall health and longevity.

The Role of Microgravity

Surprisingly, spending time in space may have physiological effects. According to research, microgravity can temporarily slow down certain ageing processes like bone and muscle loss. While the long-term impacts of space travel are still being investigated, these discoveries provide new insights into how the human body adapts to severe environments.

Healthy Habits for Life

Astronauts do not just abandon their training when they exit the space programme. Many of them continue to live busy, disciplined lives, practicing the habits they developed during their time at work. Regular exercise, balanced nutrition, and a proactive approach to health become ingrained habits, which contribute to longer lifespans.

An Inspiration for Us All

Astronauts’ incredible longevity is not due to genetics or luck; it is a testimonial to the power of a disciplined, health-conscious lifestyle paired with access to excellent medical care. While not everyone has the opportunity to travel to space, following some of these principles—staying active, reducing stress, and prioritising health—can help us live longer, better lives.

So, the next time you look up at the stars, remember that these space explorers are not only pushing the limits of science, but also redefining what it means to live well on Earth.

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