How Emma Navarro’s RED-S diagnosis gave her life back, and what it means for athletes

Emma Navarro’s rise into tennis’ upper echelon was as swift as it was steady. The American, born in New York and raised in Charleston, climbed from world No. 149 at the start of 2023 to No. 8 just 20 months later by taking an arduous route. She played more singles matches than nearly all of her peers for two years...