Gastroenterologist Dr Murugesh Manjunatha warned against a fruit-only or highly restrictive diets, saying they can "throw gastrointestinal functions off track and lead to severe nutritional deficiencies". "[It] can cause severe protein-energy malnutrition," physician Dr Sunil Havannavar said. Recently, a 27-year-old woman following an extreme fruit-only diet reportedly died of starvation in Bali.