Health effects of intermittent fasting: A brief overview

Intermittent fasting (IF) has emerged as a broadly adopted dietary regimen, gaining global attention for its ability to fight obesity and enhance overall health. In a technology characterized by sedentary lifestyles, poor dietary habits, and the prevalence of fast food, obesity has emerged as a major public health undertaking. Described through a body mass index of 30 or above, obesity is connected to a mess of comorbidities consisting of cardiovascular disorders, liver dysfunction, diabetes, and certain cancers. As a non-pharmacological approach, IF gives a powerful approach to deal with these problems through regulating caloric intake inside unique time windows or fasting days. This overview explores the physiological mechanisms, health blessings, and ability dangers related to IF. There are numerous kinds of IF, consisting of exchange day fasting, time-restrained feeding, and periodic fasting regimens, including the 5:2 weight reduction plan. Every sample emphasizes cycles of fasting and feeding that activate metabolic switching, transferring from glucose to ketone usage. This transfer initiates more than one cellular approach, including autophagy, stepped forward mitochondrial feature, and DNA repair, contributing to cellular rejuvenation and delayed growing older. The health implications of IF make bigger throughout numerous organ systems. Inside the brain, IF complements cognitive features, memory, and neurogenesis even as potentially lowering the progression of neurodegenerative illnesses, such as Alzheimer’s and Parkinson’s. It will increase tiers of brain-derived neurotrophic elements, supporting neural plasticity and resilience. Cardiovascular blessings include stepped forward lipid profiles, decreased triglycerides, improved insulin sensitivity, and reduced blood pressure, thereby mitigating hazard factors for heart disorder. IF additionally plays a crucial position in liver health through enhancing hepatic autophagy, lowering liver enzyme tiers (alanine aminotransferase, aspartate aminotransferase, and gamma-glutamyltranspeptidase), and dealing with conditions, including non-alcoholic fatty liver disorder and fibrosis. Moreover, IF famous anticancer houses through mechanisms, including modulation of intestine microbiota, reduction in oxidative pressure, and improvement of anti-tumor immune responses. It has shown promise in enhancing the effectiveness of traditional cancer cures even as decreasing the proliferation of malignant cells. The regimen additionally demonstrates fantastic outcomes in metabolic syndromes, rheumatoid arthritis, allergies, and age-related problems. In spite of its blessings, IF is not without dangers. It may result in nutrient deficiencies, disrupted sleep styles, hormonal imbalances, and bone density loss, mainly in inclined corporations, including pregnant or lactating women, the elderly, and adolescents. Decreased testosterone and androgen tiers in both males and premenopausal females had been suggested. In addition, IF might also impair psychomotor overall performance and intellectual alertness in sure fasting contexts, including at some stage in Ramadan. In the end, IF holds sizable promise as a multifaceted intervention for enhancing bodily and metabolic health. However, person variability and ability dangers necessitate personalized methods and clinical supervision to make certain protection and efficacy. In addition, studies are vital to optimize IF protocols for distinctive populations and to absolutely understand its long-term health outcomes.

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Publication Details

Journal
Adesh University Journal of Medical Sciences & Research
Published
2025-12-12
DOI
https://doi.org/10.25259/aujmsr_35_2025
Primary Topic
Dietary Effects on Health
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article
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article

Health effects of intermittent fasting: A brief overview

Diksha Jindal
Adesh University Journal of Medical Sciences & Research
Dietary Effects on Health
article

Health effects of intermittent fasting: A brief overview

Diksha Jindal
article en

Abstract

Intermittent fasting (IF) has emerged as a broadly adopted dietary regimen, gaining global attention for its ability to fight obesity and enhance overall health. In a technology characterized by sedentary lifestyles, poor dietary habits, and the prevalence of fast food, obesity has emerged as a major public health undertaking. Described through a body mass index of 30 or above, obesity is connected to a mess of comorbidities consisting of cardiovascular disorders, liver dysfunction, diabetes, and certain cancers. As a non-pharmacological approach, IF gives a powerful approach to deal with these problems through regulating caloric intake inside unique time windows or fasting days. This overview explores the physiological mechanisms, health blessings, and ability dangers related to IF. There are numerous kinds of IF, consisting of exchange day fasting, time-restrained feeding, and periodic fasting regimens, including the 5:2 weight reduction plan. Every sample emphasizes cycles of fasting and feeding that activate metabolic switching, transferring from glucose to ketone usage. This transfer initiates more than one cellular approach, including autophagy, stepped forward mitochondrial feature, and DNA repair, contributing to cellular rejuvenation and delayed growing older. The health implications of IF make bigger throughout numerous organ systems. Inside the brain, IF complements cognitive features, memory, and neurogenesis even as potentially lowering the progression of neurodegenerative illnesses, such as Alzheimer’s and Parkinson’s. It will increase tiers of brain-derived neurotrophic elements, supporting neural plasticity and resilience. Cardiovascular blessings include stepped forward lipid profiles, decreased triglycerides, improved insulin sensitivity, and reduced blood pressure, thereby mitigating hazard factors for heart disorder. IF additionally plays a crucial position in liver health through enhancing hepatic autophagy, lowering liver enzyme tiers (alanine aminotransferase, aspartate aminotransferase, and gamma-glutamyltranspeptidase), and dealing with conditions, including non-alcoholic fatty liver disorder and fibrosis. Moreover, IF famous anticancer houses through mechanisms, including modulation of intestine microbiota, reduction in oxidative pressure, and improvement of anti-tumor immune responses. It has shown promise in enhancing the effectiveness of traditional cancer cures even as decreasing the proliferation of malignant cells. The regimen additionally demonstrates fantastic outcomes in metabolic syndromes, rheumatoid arthritis, allergies, and age-related problems. In spite of its blessings, IF is not without dangers. It may result in nutrient deficiencies, disrupted sleep styles, hormonal imbalances, and bone density loss, mainly in inclined corporations, including pregnant or lactating women, the elderly, and adolescents. Decreased testosterone and androgen tiers in both males and premenopausal females had been suggested. In addition, IF might also impair psychomotor overall performance and intellectual alertness in sure fasting contexts, including at some stage in Ramadan. In the end, IF holds sizable promise as a multifaceted intervention for enhancing bodily and metabolic health. However, person variability and ability dangers necessitate personalized methods and clinical supervision to make certain protection and efficacy. In addition, studies are vital to optimize IF protocols for distinctive populations and to absolutely understand its long-term health outcomes.

Adesh University Journal of Medical Sciences & ResearchVol. 0
Central University of Punjab (IN), Adesh University (IN)
Openalex Percentile: Top 51%
Dietary Effects on Health
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