Petechiae are small, round spots that appear on the skin. They’re typically about the size of a pinhead, can be red or purple in color, and are flat in the skin. They happen when capillaries ...

The skin is our largest organ. Here, we explain what it's made of, what it does, and how it does it. We also cover some common skin conditions.

In trials over the course of one year, the system was tested in a clinical setting on 332 skin cancer samples at ...