Mental health disorders are on the rise globally, with anxiety affecting millions. While there's no shortage of prescription ...

But did you know that billions of years ago, tiny bacteria played a massive role in changing the course of life as we know it? Earth has changed significantly since its early days. For over 2 ...

While human diets have long included relatively small quantities of microbes—think of the live bacteria in yogurt, or the oven-killed yeast in bread—researchers at universities and dozens of ...