India, Feb. 28 -- Sunita Williams and Butch Wilmore have been stuck in the International Space Station (ISS) for more than nine months. After their spaceship suffered technical issues, a space tour that was initially supposed to last a short time was prolonged indefinitely. However, both the astronauts are presently getting ready to return to the Earth after spending nine months in space.

While everyone is excited for her fiery return, there are concerns regarding the health she may encounter following extended stay in space.

Williams' actual journey will start after her comeback to Earth's gravitational pull, as her body will find it difficult to acclimate to the pressure and weight it has left behind, as per experts.

Gravity begins t...