Martial arts legend Jet Li, known for his roles in Lethal Weapon 4, Romeo Must Die, and The Expendables, has undergone a noticeable transformation in recent years. Fans were taken aback by his frail appearance in a 2018 photo taken in Tibet, where he appeared significantly older than his 55 years. His cheeks were sunken, his face wrinkled, and his posture hunched, leading to widespread concern. ​Lionheart V+7South China Morning Post+7South China Morning Post+7AsiaOn

The primary cause of his altered appearance is hyperthyroidism, a condition where the thyroid gland produces excessive amounts of thyroid hormone. This accelerates the body’s metabolism, leading to symptoms such as rapid heartbeat, weight loss, and thinning skin. Li was diagnosed with hyperthyroidism in 2010 and has been managing it with medication and lifestyle adjustments. He has openly stated that continuing his physically demanding action roles could have left him confined to a wheelchair. ​Maxim+3GhPage+3Lionheart V+3

Her World+5Looper+5South China Morning Post+5Fox NewsSouth China Morning Post+1Lionheart V+1

In addition to hyperthyroidism, Li suffers from spinal problems and a heart condition, which further affect his mobility and overall health. Despite these challenges, he remains active in charity work and spiritual practices, finding solace in Buddhism, meditation, and scripture reading. His manager has reassured the public that while Li’s appearance has changed, he is not facing a life-threatening illness. ​

While his transformation has been startling for fans, it’s a poignant reminder of the toll that years of action-packed roles can take on an actor’s body. Jet Li’s journey underscores the importance of health and well-being over the pursuit of fame and physical prowess.​