The physical toll of nine months on the ISS

After nine months in space, Suni Williams and Butch Wilmore splashed back down the earth. Their bodies and minds may never catch up. Swollen faces, struggling to walk and a loss of vision are just some of the effects of a prolonged trip to space, but scientists say the health of astronauts can help people back on Earth…Go to this episode on rnz.co.nz for more details