Fasting methods changed cardiovascular risk markers, with long-term questions remaining
Compared with usual diets, fasting approaches showed differences in weight, blood pressure, and other measurements. These results concern risk factors, while lasting effects and safety require further study.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Compared with usual diet, modified alternate-day fasting showed lower body weight and blood pressure in the pooled analysis. Time-restricted eating also showed changes in several measurements, including lower fat-free mass. These are risk-factor and body-composition outcomes, not evidence of fewer cardiovascular events. The abstract does not establish whether the changes persist or whether the methods are safe over time.
The abstract does not report intervention durations or participant health profiles. Its authors call for longer randomized comparisons to assess lasting effects and safety. Reported method rankings do not establish superiority for every outcome or person.
What researchers found
Body weight
Modified alternate-day fasting versus usual diet: mean difference −5.18 kg, 95% confidence interval −7.04 to −3.32 kg. Assessment timeframe was not reported in the abstract.
Measurements are separate outcomes
The review examined cardiovascular risk measurements, including blood pressure and blood glucose, alongside body measurements. A favorable difference in a risk marker does not itself demonstrate fewer heart attacks, fewer strokes, or longer life.
Lower is not always a benefit
Time-restricted eating was associated with lower fat-free mass, meaning body mass excluding fat. That result should not automatically be labeled beneficial. The abstract supplies no functional outcome that would clarify what this body-composition change meant for participants.
The original publication
Intermittent Fasting for the Prevention of Cardiovascular Disease Risks: Systematic Review and Network Meta-Analysis.
Kibret KT, Peeters A, Tegegne TK et al.
Curr Nutr Rep · 2025
- PubMed ID
- 40705196
- Record checked
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