Fasting can be good for your health, experts claim.
A study found that fasting for two days or more can help to kick-start the immune system, especially if it has been damaged by ageing or cancer treatment.
It encourages the body to replace old and damaged cells, U.S. researchers said.
Valter Longo, a longevity expert at the University of Southern California, said: ‘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.’
His team found fasting for two to four days every six months forced the body into survival mode, using up stores of fat and sugar and breaking down old cells.
‘The body then sent a signal telling stem cells to regenerate and “rebuild the entire system”.'
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