Your vitamin D needs depend on genetics, body weight, gut health, and baseline levels — not a one-size-fits-all supplement dose.

Standard vitamin D recommendations fail most people — here’s why personalized dosing based on your body and labs is the research-backed approach.

The 3am wake-up isn’t random — it’s a cortisol-inflammation feedback loop that disrupts your sleep architecture.

Biological age tests are everywhere — but the inflammation driving your aging might not show up on any of them.

The standard 400 IU recommendation ignores everything that makes your vitamin D needs unique — here’s how to find your actual number.

The headlines say microplastics are everywhere. The science says something more specific — and more useful.

New research maps exactly how bacteria in your mouth reach your brain and contribute to cognitive decline — and the connection is more direct than anyone thought.

Your gut bacteria make butyrate from fiber — but not all fiber works the same way. Here’s what to eat, what to skip, and whether supplements are worth it.

The rise, fall, and resurrection of a drug designed to block gum disease bacteria in the brain tells you everything about where Alzheimer’s research is heading.

A compound your gut bacteria make from fiber literally changes which genes your brain expresses — and the effect compounds over time.

New research reveals your oral health may predict cognitive decline — through pathways most doctors and dentists never discuss.

The same bacteria behind your gum disease were found in Alzheimer’s brains — and a pharmaceutical company is now developing drugs to block their toxic enzymes.