Fortunately, a little knowledge about gum disease can lead to a lifetime of better care to prevent and conquer it, or at least to keep your teeth where they belong: in your mouth. What do immunity, fertility and even heredity have to do with how pink your gums are and how well they hold your teeth? And is it just the gums that hold those choppers in place? Bone up on your knowledge of all things gummy; it might not be as scary as you think.
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!