That little dent in the middle of your stomach isn’t just a quirky reminder of your time in the womb, it’s potentially one of the most bacteria-packed spots on your entire body. Your belly button is ...

Some of the nastiest bacteria that thrive in the human gut and make us sick may have evolved from hardy ancestors living deep under the sea, a group of Japanese scientists found. Writing in the latest ...

Medically reviewed by Michael Menna, DO A complication with belly button piercings is rejection, or when your body tries to remove the piercing from your skin. This is an immune response—your body ...

Diet, lack of exercise and heredity all have been implicated in the epidemic of obesity sweeping the world. Now, scientists have a new culprit to add to the list: the bugs inside us. The human gut is ...