Evolution follows the path of least resistance, which can result in suboptimal physical traits that don't ideally match the functional need, according to a new analysis. Evolution follows the path of ...
Everyday Health on MSN

The Different Types of Teeth and What They Do

It can be easy to take our teeth for granted until something goes wrong. Our teeth play a major role in our ability to eat and digest food, and can affect our overall health. Adults typically have 32 ...