Months in space cause muscle loss, fluid shifts, kidney stones, vision issues, and balance problems after returning to gravity.

When NASA astronauts Sunita Williams and Barry Wilmore embarked on their mission, they expected a relatively short journey. However, technical malfunctions with the Boeing Starliner turned their one-week task into a staggering 288-day stay aboard the International Space Station (ISS).

In space, microgravity means that astronauts like Sunita Williams and others face obstacles in all their daily routines on board the International , such as eating, sleeping, and taking showers