This controlled trial examined how Islamic intermittent fasting combined with lifestyle changes compares to lifestyle modifications alone in treating metabolic syndrome patients.

Study Background

Metabolic syndrome, characterized by high blood pressure, elevated triglycerides, central obesity, and low HDL cholesterol, significantly increases cardiovascular disease and diabetes risk. The condition affects over 40% of Americans and 55% of Egyptians, representing a growing health crisis.

Traditional management focuses on lifestyle changes including diet modification and exercise. However, Islamic intermittent fasting—involving fasting on Mondays and Thursdays plus three days monthly—presents a culturally relevant, cost-effective intervention that doesn’t require expensive dietary changes.

Research Methods

The study enrolled 54 metabolic syndrome patients (ages 30-45) from Zagazig University Hospital between August 2023 and February 2024. Participants were randomly divided into two equal groups:

• Treatment Group (27 patients): Islamic intermittent fasting plus lifestyle modifications
• Control Group (27 patients): Lifestyle modifications only

Both groups received identical lifestyle counseling including calorie-restricted diets (1,200-1,500 kcal for women, 1,500-1,800 kcal for men), moderate exercise (30-60 minutes, five days weekly), stress management, and adequate hydration.

The intervention group additionally fasted on Mondays and Thursdays, distributing their caloric intake as: 30-40% at pre-dawn meal, 10-20% at sunset snack, 40-50% at main evening meal, and 10-20% as healthy snacks.

Key Findings

Weight and Body Measurements

The fasting group showed superior improvements in:

• Body weight reduction
• Waist circumference decrease
• Blood pressure control (systolic pressure specifically)

Blood Chemistry Results

Participants practicing intermittent fasting demonstrated better outcomes in:

• Fasting glucose levels
• Triglyceride concentrations
• HDL cholesterol levels
• Total cholesterol management

Lifestyle Improvements

Both groups showed significant lifestyle improvements, but the fasting group achieved greater percentage changes across all measured parameters.

Biological Mechanisms

The researchers explain that fasting triggers several beneficial processes:

• Depletion of liver glycogen stores forces fat burning for energy
• Enhanced insulin sensitivity through visceral fat reduction
• Improved pancreatic function and reduced metabolic strain
• Activation of hormone-sensitive lipase for triglyceride breakdown
• Reduced inflammation markers and improved gut health

Clinical Implications

Islamic intermittent fasting offers a practical, culturally acceptable approach to metabolic syndrome management that doesn’t require expensive dietary modifications. The practice shows particular promise for weight management, blood pressure control, and lipid profile improvement.

Study Strengths and Limitations

Strengths:

• Randomized controlled design with prospective follow-up
• Comprehensive outcome measurements
• Focus on understudied Islamic fasting practices
• Practical intervention requiring minimal resources

Limitations:

• Single-center study limiting generalizability
• Relatively short 6-month duration
• Seasonal variations in fasting times
• Complex interactions between multiple intervention components

Conclusions

Islamic intermittent fasting combined with lifestyle modifications demonstrates superior effectiveness compared to lifestyle changes alone for managing metabolic syndrome. The intervention shows particular benefits for weight control, blood pressure management, and lipid profile improvement, offering a promising, culturally relevant treatment approach that warrants further investigation through larger, longer-term studies.

Original Article:

Darsamo, S. D., Tadesse, S., Wodaje, T. T., & Yeshanew, A. G. (2025). Knowledge, attitude, and practice of voluntary blood donation among university students in Ethiopia: A cross-sectional study. BMC Public Health, 25, Article 23493. https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-025-23493-7