Sharjah: Dhamia Faleh Serbian tennis star Novak Djokovic (37 years old) revealed the secret of his fitness and said in an interview with GQ magazine that he uses an “energy pill” to help him recover after matches and also when he suffers from stomach problems. Djokovic, who is preparing to play his first match in the Australian Open on Monday against Nishesh Basavaredi, explained: “The disc creates an electromagnetic field and emits heat when you put it on a specific area. For example, you put it on the stomach to treat the problem of tension before matches or in the case of digestive problems, and it reduces Inflammation and enhances metabolism. The second ranked player in the world continued: “This disc was designed specifically for me and is with me everywhere.