Head and neck cancer comprises a group of biologically similar cancers that start in the lip, oral cavity (mouth), nasal cavity (inside the nose), paranasal sinuses, pharynx and larynx.

Horses are beautiful and expressive creatures and one of their most recognizable traits is their famous whinny. The whinny is a very complex form of communication which is firmly rooted in biology and ...

A sore throat and ear pain often occur together with a sinus infection, a common cold, allergies, or even a dental problem. That's because the throat and ears are connected by the Eustachian tubes.

Instead of trying to remember lots of different dot and cross diagrams, it may help to understand how to draw them.