Gut Microbiome Testing: What It Can and Cannot Tell You Today
Mail-in stool tests promise personalized nutrition insight, but the same sample sent to different labs can come back with conflicting advice.
Oct 3, 2025

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36 stories for“nutrition research”
Mail-in stool tests promise personalized nutrition insight, but the same sample sent to different labs can come back with conflicting advice.
Oct 3, 2025

Large trials with more than 30,000 participants found vitamin D pills do little for people who are not deficient, reshaping decades of assumptions.
Jan 20, 2026

Three randomised trials put time-restricted eating against ordinary calorie control or against nothing. The eating window on its own did little. Combined with eating less, it did what eating less does. What that means for anyone considering it.
Sep 6, 2026

Decades of trials back creatine for muscle and strength, and newer research is testing brain benefits, but the hype has outrun some of the data.
Aug 19, 2024

Forty-one volunteers who breathed with a long exhale accepted riskier bets for money in an MRI scanner, and those whose heart rhythm responded most showed the strongest reward activity in the brain. A neat result, a small sample, a lesson about calm.
Sep 8, 2026

In 1,900 American adults, waist circumference on its own matched a new multi measurement framework against a proper body fat scan. BMI alone missed a substantial number of people who met the body fat criteria for obesity.
Sep 1, 2026
