Navarro Steps Back from Tennis, Discloses Years-Long Struggle with Energy Deficiency
American tennis player Emma Navarro announced her retirement from competitive play for the remainder of 2026 after revealing she has battled chronic health conditions for nearly three years. The WTA No. 24 player disclosed diagnoses of Relative Energy Deficiency in Sport and Hashimoto's hypothyroidism, conditions she only identified in late 2025 after consulting with medical specialists. Navarro stated she plans to focus on medication adjustments and nutrition protocols before returning to competition in 2027.
Emma Navarro's health struggles trace back to late 2023, though she remained unaware of their underlying causes until receiving specialist consultations in November 2025. RED-S, the condition she was diagnosed with, occurs when athletes' energy intake fails to match their physical exertion levels, creating a cascade of physiological complications. Hashimoto's hypothyroidism further compounded her difficulties by affecting metabolic function, making recovery and performance increasingly challenging throughout 2024 and 2025.
Despite competing through these undiscovered conditions, Navarro demonstrated resilience by capturing her third WTA title at Strasbourg and reaching the US Open quarterfinals in 2026. Her withdrawal from events like the Charleston Open now reflects the severity of her health crisis rather than inconsistency. The timeline between initial symptoms and proper diagnosis underscores how chronic conditions can evade detection even within professional sports environments with medical support systems.
Navarro's disclosure may raise awareness among athletes, coaches, and medical professionals about RED-S recognition and early intervention. Her case could influence how sports organizations prioritize comprehensive health screenings, potentially benefiting younger competitors who might otherwise suffer undiagnosed energy deficiency for years. The story may also encourage open dialogue around athlete health beyond visible injuries, normalizing discussions about metabolic and endocrine conditions in competitive sports cultures.