A recent report that space travel makes astronauts younger has turned the focus on the mysterious force of gravity and its impact on human growth and development.Microgravity rediscovers the human body and indicates a new world of applications, which are previewed in the author’s exclusive interviews with the world’s first doctor-cosmonaut and the third astronaut to step on the Moon.

   A report that Scott Kelly, US astronaut, who spent a record time of nearly one year in space aboard the International Space Station, returned younger has turned the spotlight on the role of gravity and its reduced presence on the human system. Kelly was in space for 340 days and returned on March 2, 2016. His condition was monitored and the findings compared with his twin brother, Mark, who too had gone into space on board the Shuttle four times before retiring. He was on the ground when Kelly was in orbit with the Russian cosmonaut, Mikhail....