Instagram influencers pushing “extreme” diets are causing young people to suffer from malnutrition and eating disorders, leading nutritionists have warned after a popular vegan vlogger admitted she fell ill after following her own diet plan. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. She said that because of her diet, “something wasn’t going right” with her… Yovana Mendoza Ayres, known to her fans as “Rawvana”, has over 10 million followers across Instagram and YouTube – but admitted becoming dangerously unwell as a result of her raw vegan diet and 25-day fasts. The influencer, who posts her “cleanse” and “fast” diet programmes online, was condemned by her fans after a video posted by another YouTuber showed her appearing to eat fish.