Intermittent Fasting

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    1. Longo VD et al.: Intermittent and periodic fasting, longevity and disease. Nat Aging 2021. (PMID 35310455) [PubMed] [DOI] [Full text] Intermittent and periodic fasting (IF and PF, respectively) are emerging as safe strategies to affect longevity and healthspan by acting on cellular aging and disease risk factors, while causing no or minor side effects. IF lasting from 12 to 48 hours and repeated every 1 to 7 days and PF lasting 2 to 7 days and repeated once per month or less have the potential to prevent and treat disease, but their effect on cellular aging and the molecular mechanisms involved are only beginning to be unraveled. Here, we describe the different fasting methods and their effect on longevity in organisms ranging from yeast to humans, linking them to the major nutrient-sensing signaling pathways and focusing on the benefits of the fasting and the refeeding periods. We also discuss both the therapeutic potential and side effects of IF and PF with a focus on cancer, autoimmunity, neurodegeneration and metabolic and cardiovascular disease.
    2. Liu S et al.: The Health-Promoting Effects and the Mechanism of Intermittent Fasting. J Diabetes Res 2023. (PMID 36911497) [PubMed] [DOI] [Full text] Intermittent fasting (IF) is an eating pattern in which individuals go extended periods with little or no energy intake after consuming regular food in intervening periods. IF has several health-promoting effects. It can effectively reduce weight, fasting insulin levels, and blood glucose levels. It can also increase the antitumor activity of medicines and cause improvement in the case of neurological diseases, such as memory deficit, to achieve enhanced metabolic function and prolonged longevity. Additionally, IF activates several biological pathways to induce autophagy, encourages cell renewal, prevents cancer cells from multiplying and spreading, and delays senescence. However, IF has specific adverse effects and limitations when it comes to people of a particular age and gender. Hence, a more systematic study on the health-promoting effects and safety of IF is needed. This article reviewed the research on the health-promoting effects of IF, providing a theoretical basis, direction for subsequent basic research, and information related to the clinical application of IF.