What happens in our body that make our veins look blue, although they are full of red blood? Follow Tech Insider: On Facebook Following is a transcript of the video: If our blood is red ...

The lighter skin of the nobility made their veins appear blue under the surface, giving the impression that their blood itself was blue. The term "blue blood" became a metaphor for noble birth and ...

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

Blood clots are associated with life-threatening conditions such as sepsis, sickle cell disease, heart attack, and stroke.