Lockjaw (trismus) is a painful condition that limits your ability to open your mouth all the way. It occurs when the muscles you use to chew spasm, meaning they can’t relax completely. The term ...

Nanda Jarosz does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Our experiences of awe and wonder can come to us in many ways—as a pleasant surprise when a cardinal lands near our window, or as a life-changing realization waking up from a vivid dream. We may have ...