As the spinal cord increases, it makes you taller. However, after landing on the Earth, you shrink a bit. What was worrisome was that some of the wrinkles, which had disappeared there, came back.

In my space journey, I felt vulnerable because we did not have anyone with medical background. When we make that big trip to Mars, we would need a doctor on board.

During our journey, we did weight lifting, squats, and dead lifts to regenerate the bone density. Luckily, my muscle mass and bone density did not alter. Our workout was so rigorous.

Sunita Williams Quotes