Medically reviewed by Casey Gallagher, MD Red spots on the skin can appear for a variety of reasons, ranging from harmless to potentially serious conditions. They can be caused by simple irritants ...

The signs of a dangerous blood clot can vary depending on its location. Some people may also not experience any symptoms.

Until recently, researchers believed that platelet spreading and clot contraction were controlled by the same pathway. However a recent study from Thomas Jefferson University researchers challenges ...

Hemoglobin contained in red blood cells absorbs light, so it is possible to observe the state of the blood vessels in the palm ... visible on the surface of the skin like the face or fingerprints ...

When skin is cut or damaged, tiny cell fragments circulating in the blood, called platelets, arrive at the injury and spread out to stop the blood from leaking out. Once enough layers of platelets ...