India, March 19 -- Sunita Williams and Barry Wilmore have returned to Earth after spending 286 days in space. However, their troubles may not be over as readjusting to Earth can be difficult due to the damage caused to the human body during space travel.

Sunita Williams' and Barry Wilmore returned to Earth aboard a SpaceX Crew Dragon capsule, along with astronauts Nick Hague and Alexander Gorbunov. After their capsule splashed down off the coast of Tallahassee, they were both immediately taken for medical tests on reclining stretchers.

After experiencing microgravity for more than nine months, the rescued astronauts will face some changes to their body as well as added health risks, which could become permanent without proper care and t...