Going 16 hours without food improves digestive system: Novak Djokovic

World No. 1 Serbian tennis star Novak Djokovic has shared his latest diet secret and how it has helped him over the last 18 months.

In a recent Instagram live chat with Dr Dragan Ivanov, a specialist in internal medicine, Djokovic revealed he goes 16 hours without eating everyday, which is part of a process called...