Fasting is known to have a number of health benefits, including weight loss and improved insulin and leptin sensitivity, but new research10 also suggests fasting helps bolster your immune system function. If you are underweight though, you should be very careful about implementing fasting without professional supervision. According to study co-author Valter Longo, director of the USC Longevity Institute:11 "When you starve, the system tries to save energy, and one of the things it can do to save energy is to recycle a lot of the immune cells that are not needed, especially those that may be damaged.
What we started noticing in both our human work and animal work is that the white blood cell count goes down with prolonged fasting. Then when you re-feed, the blood cells come back.” White blood cells are your primary disease-fighters. Interestingly enough, when you fast, a “regenerative…
