Health
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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Health
Zone 2 Cardio Versus VO2 Max: Sorting the Training Trend From the Evidence
VO2 max strongly predicts longevity, but the evidence that slow, low-intensity Zone 2 training is the best way to raise it is weaker than the trend suggests.
Jan 15, 2025
Health
More Than Half of English Adults With High Blood Pressure Do Not Know They Have It, a Study of 1.4 Million Finds
Oxford Population Health researchers found 37 per cent of adults enrolled in Our Future Health had hypertension, and 59 per cent of those, about 1.3 million people, were undiagnosed. Even diagnosed patients often had it poorly controlled.
Sep 25, 2026
Health
Creatine: The Most-Studied Supplement and What It Actually Does
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
Health
FDA Proposes More Iodine and Vitamin D in Infant Formula in Its First Nutrient Rewrite Since 1998
A proposed rule published on 29 October would triple the iodine minimum, double vitamin D, cap manganese for the first time and lower vitamin A, with 120 days for comment and three years to comply.
Oct 30, 2026
Health
The Immune System Appears to Remember Obesity for Years After the Weight Has Gone
Work in EMBO Reports finds obesity leaves a chemical mark on CD4 T cells that outlasts weight loss. The authors suggest the immune system may need years of sustained maintenance to reset, and say plainly that no long term human study confirms it.
Sep 1, 2026
Health
Vitamin D Supplements: A Reality Check on Who Actually Benefits
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
