"Overweight" and "obese" are terms that people tend to use interchangeably. However, within a medical context, they mean different things. We take a look at what makes these words unique from one another.

Blood donation can save a life, but there is a timetable you have to follow. We take a look at how often you can donate blood.

Blood is essential to life, but you might be surprised exactly how much the human body contains.

X-rays are used to create images of internal structures in the body through the use of radiation. Since radiation is commonly associated with cancer, could X-rays actually be making us sick?

LDL is known as the "bad" cholesterol, but that doesn't mean you should have none of this substance. We take a look at the normal, healthy levels of LDL cholesterol.

A colicky baby cries excessively, but does that mean they are in pain? We take a look at this confusing, little-understood condition.

Hand, foot, and mouth disease is one of the most common diseases that children catch. Why is it relatively rare in adults?

Often caused by medications or underlying medical conditions, xerostomia, or dry mouth, can be extremely uncomfortable and increase the risk of tooth decay. Although there are many treatment options, is there a cure?