Tag
Immunity
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Children with the most early infections had about 60% more eczema, not less
The hygiene hypothesis says early germs train the immune system and protect against allergic disease. Two birth cohorts with daily symptom diaries found the opposite direction for eczema.
Sep 4, 2026
Growing up alongside a sibling with Crohn's tracked four times the risk of getting it
Siblings of people with Crohn's disease are known to be at higher risk, and genes were the obvious explanation. Comparing childhood exposure with adult exposure separates the shared genes from the shared childhood.
Sep 4, 2026
4 in 10 people with confirmed celiac disease had no symptoms at all, across 394,274 people
Celiac disease is imagined as a dramatic reaction to bread. Pooling 87 population studies, roughly 1 in 120 people has biopsy-confirmed disease, and 41% of them had nothing that would send them to a doctor.
Sep 1, 2026
A whole-food exclusion diet put 69% of Crohn's patients into remission across 17 studies
Crohn's disease is normally treated with drugs, and the liquid-only diet that works is almost impossible to stick to. Pooling 17 studies, a diet built from ordinary food matched it, and beat both a control diet and the Mediterranean diet.
Sep 1, 2026