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Link to original content: https://pubmed.ncbi.nlm.nih.gov/38354947/
Risks and Benefits of Intermittent Fasting for the Aging Cardiovascular System - PubMed Skip to main page content
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. 2024 Aug;40(8):1445-1457.
doi: 10.1016/j.cjca.2024.02.004. Epub 2024 Feb 12.

Risks and Benefits of Intermittent Fasting for the Aging Cardiovascular System

Mualla Ozcan  1 , Mahmoud Abdellatif  2 , Ali Javaheri  3 , Simon Sedej  4
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Risks and Benefits of Intermittent Fasting for the Aging Cardiovascular System

Mualla Ozcan et al. Can J Cardiol. 2024 Aug.
Free article

Abstract

Population aging and the associated increase in cardiovascular disease rates pose serious threats to global public health. Different forms of fasting have become an increasingly attractive strategy to directly address aging and potentially limit or delay the onset of cardiovascular diseases. A growing number of experimental studies and clinical trials indicate that the amount and timing of food intake as well as the daily time window during which food is consumed, are crucial determinants of cardiovascular health. Indeed, intermittent fasting counteracts the molecular hallmarks of cardiovascular aging and promotes different aspects of cardiometabolic health, including blood pressure and glycemic control, as well as body weight reduction. In this report, we summarize current evidence from randomized clinical trials of intermittent fasting on body weight and composition as well as cardiovascular and metabolic risk factors. Moreover, we critically discuss the preventive and therapeutic potential of intermittent fasting, but also possible detrimental effects in the context of cardiovascular aging and related disease. We delve into the physiological mechanisms through which intermittent fasting might improve cardiovascular health, and raise important factors to consider in the design of clinical trials on the efficacy of intermittent fasting to reduce major adverse cardiovascular events among aged individuals at high risk of cardiovascular disease. We conclude that despite growing evidence and interest among the lay and scientific communities in the cardiovascular health-improving effects of intermittent fasting, further research efforts and appropriate caution are warranted before broadly implementing intermittent fasting regimens, especially in elderly persons.

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