American skier Mikaela Shiffrin, holding 99 World Cup wins, withdraws from defending her giant slalom title at the Alpine skiing worlds due to post-traumatic stress disorder. Following a severe crash in November, Shiffrin has struggled to regain her mental focus and speed, leading to her decision not to compete in the upcoming event. She plans to participate in the slalom and teams up with Breezy Johnson for a new combined event. Shiffrin expressed her heartbreak and mental challenges in coping with the aftermath of her injury, emphasizing the emotional toll of the sport.