The Reality Reports

Introduction To Blood And Oxygen Transport: Blood is essential for carrying oxygen throughout the body, but not all creatures use the same system. Humans and most animals rely on hemoglobin, an iron-based protein that turns blood red when it binds with oxygen.  However, some creatures have taken a different evolutionary path, using hemocyanin, a copper-based molecule, that gives their blood a distinct blue color.

What Is Travel Medicine: Travel medicine focuses on keeping people healthy before, during, and after international trips.  This medical specialty helps travelers avoid diseases and health problems that are common in different parts of the world.  Doctors who work in travel medicine understand the unique health risks that come with visiting foreign countries.