Dr. Jason Fung, a Canadian nephrologist (kidney specialist), is known to be an expert in intermittent fasting (IF ... that is the key to any weight loss program." In addition to losing weight ...

Dr. Jason Fung, a Canadian nephrologist (kidney ... Khan is also a fan of the Prolon 5-Day Program, a plant-based fasting-mimicking diet, which he said could help people achieve a younger ...