Why do I get dark rings under my eyes when I am tired?
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Dr. Mehmet Oz answered:Your co-worker isn't the only one who has thin skin. We all do-at least under our eyes. That's the thinnest anywhere on the body, and that allows dark, venous blood to show through. So if you are standing or sitting upright, blood pools there more.
In addition to being caused by lack of sleep, dark rings can be brought on by allergies or asthma. These conditions can cause more blood to pool in the tissues under the eye and can add puffiness to the area.
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Your co-worker isn't the only one who has thin skin. We all do-at least under our eyes. That's the thinnest anywhere on the body, and that allows dark, venous blood to show through. So if you are standing or sitting upright, blood pools there more.... More -
Dr. Michael Breus answered:There are several different things that can cause dark circles.
Genetics. If your mother and father had them then you may get them as well. In addition certain cultures are more prevalent to them. Thin skin. The skin below the eye is some of the thinnest skin on the body and where blood vessels lie just beneath the surface. Sleep deprivation can slow circulation and cause the blood to pool under the eye creating the appearance of dark circles. Coloring. Some people simply have more pigment in the skin under their eyes.There are several different things that can cause dark circles. Genetics. If your mother and father had them then you may get them as well. In addition certain cultures are more prevalent to them. Thin skin. The skin below the eye is... More

