Professor Longo also noted:

“It gives the ‘OK’ for stem cells to go ahead and begin proliferating and rebuild the entire system. And the good news is that the body got rid of the parts of the system that might be damaged or old, the inefficient parts, during the fasting.

Now, if you start with a system heavily damaged by chemotherapy or aging, fasting cycles can generate, literally, a new immune system.”

During the initial stage of this study, some of the participants in it were asked to fast for 2-4 days on a regular basis for a period of 6 months.

The researchers of this study concluded that fasting helped them in producing a new immunity, as well as in reducing the enzyme PKA, which is a hormone that increases the risk of tumor growth and cancer.

Professor Longo added:

“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.

So we started thinking, well, where does it come from?” Professor Longo expressed his astonishment upon realizing the outcome of the study.”

This study also showed that prolonged fasting not only causes the body to utilize stores of fat and glucose, but it also breaks down white blood cells.

During each fasting, the depletion of white blood cells encourages changes that trigger stem cell-based regeneration.

At the end, professor Longo said:

“We could not predict that prolonged fasting would have such a remarkable effect in promoting stem cell-based regeneration of the hematopoietic system.

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.”

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