Space travel is one of the most fascinating achievements of humanity, pushing the limits of human endurance, technology, and our understanding of the universe. But did you know that astronauts actually shrink when they return to Earth? This is just one of the many strange effects space has on the human body. From changes in bone density to altered vision and even the psychological impact of isolation, space travel presents a variety of challenges. Space travel is one of the most fascinating achievements of humanity, pushing the limits of human endurance, technology, and our understanding of the universe. But did you know that astronauts actually shrink when they return to Earth? This is just one of the many strange effects space has on the human body. From changes in bone density to altered vision and even the psychological impact of isolation, space travel presents a variety of challenges. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle