Fasting mimicking diet extends lifespan and improves intestinal and cognitive health.
Level 5 - mechanism / opinion, no new human data
Preclinical animal research in mouse models.
PubMed 38567489 · doi:10.1039/d4fo00483c
What was done
Evaluated the effects of fasting mimicking diet (FMD) cycles in mouse models, assessing lifespan in prematurely aging mice alongside cognitive and intestinal outcomes in naturally aging mice. The authors conducted behavioral assays for cognition and anxiety, measured intestinal barrier function, mucosal senescence markers, and lamina propria T-cell naïve-memory balance, and sequenced stool microbiota via 16S rRNA gene sequencing.
What was found
The abstract reports no numerical values, confidence intervals, or p-values. It qualitatively reports that FMD prolonged lifespan in prematurely aging mice, alleviated anxiety, enhanced cognition, strengthened intestinal barrier function, lowered senescence markers, maintained mucosal T-cell balance, and increased the abundance of *Lactobacillus johnsonii* in naturally aging mice.
Why it matters
Provides preclinical evidence that fasting mimicking dietary cycles may simultaneously mitigate neurobehavioral decline, gut barrier dysfunction, and microbiome shifts associated with aging.
Limits
Conducted entirely in mouse models; translatability to human aging and lifespan is unestablished. The abstract does not provide sample sizes, dietary formulation details, cycle frequency, or quantitative statistical results.
Cited by
- supports Periodic extended fasting that triggers preferential turnover of old proteins has been shown in animal studies to extend lifespan.