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People The philosopher Plato once said, "I fast for greater physical and mental efficiency." A 3800 BC Egyptian pyramid inscription notes, "Humans Nor, for that matter, the fasting required for lab testing and surgical procedures. Sourced from: http://health.usnews.com/health-news/blogs/eat-run/2015/07/31/fasting-for-weight-loss-fad-or-phenom
As much as celebrities are doing it does not mean that fasting for weight loss is correct. Celebrities are trend setters and therefore influence people in all sorts of ways.
Losing muscles can slow down weight loss, because you need muscles to burn excess fat in your body. Sourced from: http://www.fitday.com/fitness-articles/fitness/weight-loss/4-dangers-of-fasting-for-weight-loss.html