When you ar on the crash diet mode for fast weight loss, your body gets signals from the brain. To survive, the body slows down the rate. however as before long as you come to your previous routine, you expertise weight gain because of a slower rate. To counter this, you will once more select a crash diet, and with this the body starts a cycle of losing and gaining weight consecutively. These changes ultimately ends up in severe disruption in rate inflicting metabolic syndrome.