How Gut Bacteria Make Brain Chemicals From Your Food For years we said the gut talks to the brain and waved our hands at how. In 2026, two papers got specific: one where bacteria build a brain chemical out...
Multiple Sclerosis and the Microbiome: There Are No Universal Good Bugs or Bad Bugs For a decade, studies of the gut microbiome in multiple sclerosis kept disagreeing with each other. One paper flagged a bug as the villain; the next found nothing; a third...
TMAO: One Molecule, a Whole-Body Conversation TMAO is the molecule the internet loves to hate: the red-meat compound, the one that clogs your arteries. Then a 2026 paper caught it driving a skin disease instead. The...
How Microplastics Affect Your Gut Microbiome (and Why There's Hope) A microscopic plastic particle in your gut never touches your liver. So why does the damage show up there anyway? The answer is the most hopeful thing in the whole...
The Surprising Truth About Skin Health and Microbial Diversity Scientists studied the skin of a remote Amazonian people and found something that upends modern dermatology: nearly 60% of the bacteria on their skin had never been seen before, and...
Hydrogen Sulfide and the Gut: The Rotten-Egg SIBO Gas That Protects Your Colon Hydrogen sulfide is the gas behind rotten eggs, swamp stink, and industrial accidents. It is also, at the right dose, one of the molecules keeping the lining of your gut...