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Bioimpacts. 2012;2(4):213-5. doi: 10.5681/bi.2012.028. Epub 2012 Dec 21.

Annual fasting; the early calories restriction for cancer prevention.

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School of Advanced Medical Technologies, Tehran University of Medical Sciences (TUMS), Tehran, Iran.


Essentially, people's diet and nutritional status has been changed substantially worldwide and several lines of evidence suggest that these changes are to the detriment of their health. Additionally, it has been well documented that unhealthy diet especially the fast foods, untraditional foods or bad-eating-habits influence the human gut microbiome. The gut microbiota shapes immune responses during human life and affects his/her metabolomic profiles. Furthermore, many studies highlight the molecular pathways that mediate host and symbiont interactions that regulate proper immune function and prevention of cancer in the body. Intriguingly, if cancer forms in a human body due to the weakness of immune system in detriment of microbiome, the removal of cancer stem cells can be carried out through early Calories Restriction with Annual Fasting (AF) before tumor development or progress. Besides, fasting can balance the gut microbiome for enhancement of immune system against cancer formation.


Annual Fasting; Calories Restriction; Cancer Prevention; Healthy Food Habits; Human Microbiome Project; Intermittent Fasting

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