Angular cheilitis, also called perleche or angular stomatitis, is a common inflammatory condition of the angles of the mouth. It is found in elderly edentulous patients as well as those who still ...

In an introductory physics course, there are three big ideas. There is the work-energy principle, the momentum principle and then the angular momentum principle. I'll skip the work-energy principle ...

Angular cheilitis can look like swollen or red patches at the corners of your mouth. It’s caused by a variety of things, including saliva buildup, bacterial infections, smoking, and vitamin B ...