A Look at the Trillions of Microorganisms That Live in and on You

Scientists are continuing to learn what the microbiome does for our health, and how certain diseases and disorders are associated with changes in your microbes.


So Really, What Are the Benefits of Probiotics?

People take probiotics for digestion, immunity, depression, you name it. We looked into whether they're worth it.


Yogurt Is Good for More Than Just Eating

Could it be the answer to your dandruff problem?


More Evidence That Yogurt Isn’t the Gut Magician You Think It Is

A new study examines the probiotic dosages of more than 100 foods.


Can Spraying Bacteria Help You Fight Allergies?

Probiotics are the latest weapons being deployed in homes.


I Skipped Showering for Two Weeks and Bathed in Bacteria Instead

Are live bacteria treatments the future of skincare?


Letters to the Editor: Probiotics, Uber, and More Probiotics

Understandably, people have strong feelings about probiotics.


Probiotics Are Useless, GMOs Are Fine, and Gluten Is Necessary

A roster of nutrition-myth-busting studies were published this week.


Why We Desperately Need to Study More Female Astronauts

Women face a higher risk of UTIs in space. Men are at risk of kidney stones.


DIY Kombucha Is an Easy, Healthy, Boozy Weekend Project

Get to work. It's not every day that a beverage comes around that can both get you tipsy and offer you health benefits to gloat about.


The Chemist Who Hasn't Showered in 12 Years Explains Why He Doesn't Stink

David Whitlock developed a spray that preserves the good bacteria on the skin.


Nobody's Really Sure Whether Yogurt Is Good For You

Americans are eating more yogurt than ever. The only problem: it's still unclear whether yogurt actually has any of the health benefits people say it does.