Diet and Gut Microbiome: How Food Affects Our Microbes
Author Information
Author(s): Shi Ni, Nepal Sushma, Hoobler Rachel, Menni Cristina, Playdon Mary C., Spakowicz Daniel, Wells Philippa M., Steves Claire J., Clinton Steven K., Tabung Fred K.
Primary Institution: The Ohio State University
Hypothesis
Dietary patterns that exert metabolic effects on insulin and inflammation may influence disease risk and prognosis by modulating gut microbial composition and function.
Conclusion
Dietary patterns associated with higher insulin and inflammation are linked to specific gut microbiome profiles, which may affect chronic disease risk.
Supporting Evidence
- Participants with higher EDIH and EDIP scores had lower gut microbiome diversity.
- Specific gut bacteria were linked to dietary patterns that promote insulin resistance.
- Longitudinal analyses confirmed that dietary patterns assessed years earlier were associated with future biomarker profiles.
Takeaway
What we eat can change the tiny bugs in our tummy, which can make us sick or healthy. Eating certain foods can help keep our body balanced.
Methodology
The study analyzed dietary patterns and gut microbiome data from 1,610 adults in the TwinsUK cohort using food frequency questionnaires and 16S rRNA sequencing.
Potential Biases
Confounding by unmeasured variables may not be completely removed despite adjustments.
Limitations
Potential measurement error in diet and lifestyle variables; microbiome studies often use relative abundances rather than absolute concentrations.
Participant Demographics
Participants were community-dwelling twins aged 18-100 years, with a mix of genders and ethnicities.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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