In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...

Blood clots are among the most feared medical emergencies, and for good reason. They can lead to heart attacks, strokes and death. But not all clots are dangerous. In fact, clotting is a natural and ...

Headaches can be caused by many factors—stress, dehydration, lack of sleep—but did you know that high blood pressure (hypertension) can also trigger severe headaches? A high blood pressure headache ...

Inflammation is an immune response from the body’s immune system when there is a perceived injury or infection. When injured, inflammation causes the area to become red and swell due to a large number ...