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 ...

You may know them as spider veins, thread veins or more officially, telangiectasias, or just be able to recognise their presence through small red, purple or blue “webs” on the legs and face. Smaller ...

Known as varicose veins, these blood vessels, which return blood from the legs to the heart ... Spider veins, the more delicate red or blue tracings that can pop up on the skin's surface like ...

But these are just a small part of vein world. Veins make ... flowing into the legs would pool there, causing dangerously high pressure and swelling. Actually, they aren't. People think they're blue ...

Whilst crossing your legs may not affect your risk of getting varicose veins, there is a chance that it could be a small factor in a far more serious condition - deep vein thrombosis, or DVT.