The microbiome is a gut-wrenching mystery. One day, it’s the key to immortality; the next, it’s just along for the ride. If you’ve ever been told to fear sweeteners, shun sugar, and bow to fermented ...

We asked doctors to explain the latest research.

Something you might already know intuitively but maybe need a written reminder of once in a while: Good gut health is the gateway to better overall health. “Our gut is a complex, complicated organ ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by Tiny Health in October 2025 shows the company's swab for their gut health test. (Tiny Health via AP) ...

Our gut is home to a micro-universe of tiny powerhouses, complete with their own genes and immune and metabolic profiles, ...

We often hear talk of things being good for our microbiome, and in turn, good for our health. But it wasn’t entirely clear what a healthy gut microbiome consisted of. Now, a study of more than 34,000 ...

Move over, influencers, there's a new trendsetter in town: the gut microbiome. This paper demonstrates that your social butterfly status isn't just reflected in your follower count. It's also mirrored ...

Forbes contributors publish independent expert analyses and insights. Harvard Medical School Professor, Metabolic Health Innovator Metabolism is often reduced to a simple equation of calories in ...

Deep within your GI tract, there lives an active community of microorganisms known as your “gut microbiome.” Despite their ...

The scalp hosts a diverse microbial community, and its unique environment is shaped by sebum, moisture, and acidic pH. These microbes, including bacteria and fungi, can influence scalp conditions ...

Tiny wild blueberries may deliver outsized benefits for the heart, metabolism, gut, and brain, according to decades of ...

A viral TikTok conversation has reopened questions about why bacterial vaginosis so often returns, and what restoring the vaginal microbiome may have to do with it.