Sunday, September 13, 2026 Evidence-led medical research news
The First Cohort
Medical research, with the receipts

gut-health

5 stories tagged "gut-health"

Brain & Aging

Four Times the Odds of Losing Bowel Control: An ADHD Gut Signal Tangled Up With the Medication

Stimulants list constipation, nausea, and stomach pain among their common side effects. Most of the 23 studies pooling 1.9 million people never separated the medicated from the unmedicated, so the gut signal and the drug effect sit tangled together.

Autoimmune & Inflammation

The Anti-Inflammatory Worm That Only Works If You Feed It Fiber

Feed a rat plenty of fiber and a harmless tapeworm reaches full size and quiets the immune system. Cut the fiber to Western levels and the same worm shrinks, stops reproducing, and its anti-inflammatory power switches off.

Autoimmune & Inflammation

The Allergy Cell Everyone Wanted Dead Turns Out to Run Your Gut Lining and Your Metabolism

Eosinophils were the villain of asthma and allergy, the cell whole-body drugs are built to erase. A decade of tissue biology says they also seal your gut, feed your antibodies, and tune your fat, and the trials never measured any of it.

Nutrition & Food

Your Kombucha Is Only as Good as the Tea You Brewed It From

A new five-tea kombucha study finds the antioxidant punch depends almost entirely on the tea you start with, with green and oolong on top and the label never telling you.

Nutrition & Food

The sugar-free mice got sicker, and the press release left out what they were eating instead

A 16-week mouse study presented at ENDO 2026 reported that sugar-free animals developed insulin resistance, gut dysbiosis and fatty liver at the same body weight as controls. The press release never says what replaced the sugar, and that single missing detail decides what the study actually means.