Metabolic signatures of combined exercise and fasting: an expanded perspective on previous telomere length findings.

Shamma Almuraikhy, Khaled Naja, Najeha Anwardeen, Maha Sellami, Hadaia Saleh Al-Amri, Haya Al-Sulaiti, Sara S Bashraheel, Amina Ali Aden, Mohamed A Elrayess

Biomedical Research Centre, Qatar University, Doha, Qatar. · pubmed

Paper

Abstract

Aging is a complex process marked by a gradual decline in physiological function and increased susceptibility to diseases. Telomere length is frequently regarded as one of the primary biomarkers of aging. Metabolic profiles are key features in longevity and have been associated with both age and age-related diseases. We previously reported an increase in the telomere length in healthy female subjects when Ramadan fasting was combined with physical training. This study aims to characterize the metabolic signature differentiating the combined effects of exercise and fasting from exercise alone and explore the correlations with the previously reported telomere length changes.

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Research summary

The paper investigates the metabolic signatures associated with combined exercise and fasting, linking these to telomere length, which is a recognized biomarker of aging. While it contributes to understanding the relationship between lifestyle interventions and aging biomarkers, the findings appear to be incremental rather than groundbreaking. The study may provide useful insights but does not present a major breakthrough or transformative implications for the field of longevity research.

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