Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Every time you visit your doctor, one of the first things they do is take your blood pressure. Blood pressure is a crucial part of cardiovascular health and is one of the best ways for doctors to ...

You are probably aware of the two main blood group systems: the AB system and the rhesus system. Under the AB system, there are four main blood types A, B, AB and O. And each of these four types can ...