India, Oct. 7 -- In the age of viral health trends, few wellness hacks have captured the internet's curiosity quite like navel pulling, the practice of applying castor oil into your belly button to ...

1. Why do I even have a belly button? Your belly button, or navel – clinically, your umbilicus – is the permanent scar left from where your umbilical cord connected your circulatory system, when you ...

Everyone has one, but you might not know much about it. Here biologist Sarah Leupen, who teaches human and comparative animal physiology, explains the ins and outs of belly buttons. 1. Why do I even ...