I found this, although I am not asserting that the author is an authority, nor asserting any credence: https://www.alliedacademies.org/articles/fasting-can-hea

I found this, although I am not asserting that the author is an authority, nor asserting any credence: https://www.alliedacademies.org/articles/fasting-can-heal-the-human-organism-of-disease-and-reverse-the-ageing-process-11647.html#:~:text=The%20abstinence%20of%20food%20affords,and%20tissue%2C%20absorb%20effusions%20and https://www.alliedacademies.org/articles/fasting-can-heal-th... The national library of medicine isn’t quite as extreme as the suggest that certain cancers are prevented, but does indicate support of fasting having positive outcomes for human systems: https://www.ncbi.nlm.nih.gov/books/NBK534877/#:~:text=Most%20glycogen%20is%20stored%20in,adipose%20tissue%20and%20protein%20stores https://www.ncbi.nlm.nih.gov/books/NBK534877/#:~:text=Most%2.... A comment below states some cancers risks have a great increase from obesity, so the claim of intermittent fasting reducing cancer risk may to have some credence.