Simone Biles, the star gymnast, is back. Biles suddenly withdrew from the sport two years ago to focus on her mental health. And she is one of the many athletes in recent years to do so. Now, the world of sports is relentless and uncompromising. But in recent years, a shift seems to be occurring. Many athletes have spoken up about their mental health and taken a step back. So why is this shift occurring? And why is it needed? Palki Sharma tells you more