The field of space medicine is responsible for maintaining astronauts’ health and optimizing their performance. A prolonged stay in space with little gravity results in weakening of the bones and muscles that otherwise support body weight, which is precisely the problem faced by elderly people on Earth. Space medicine provides the means of alleviating s uch problems. Bone loss, muscle atrophy, and disturbed circadian rhythms are common issues for both astronauts and the elderly alike and can be prevented, if the risks are addressed correctly. To have a healthy long-life, it is important to practice effective health improvement techniques and take preventive measures. The space medicine technologies a for astronauts will provide helpful information to people living in a superageing society. and Japanese medical societies for health promotion. With the aids of the Japanese Society of Physical Fitness and Sports Medicine, the Japanese Orthopaedic Association, and the Japanese Association of Rehabilitation Medicine, JAXA has made a leaflet titled for general citizen to show the tips for a healthy long-life learned from space medicine from the viewpoints of their respective expertise.
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