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What’s up with celebs’ veiny arms?

“Prominent upper extremity veins are, for the most part, simply representative of relatively low body fat,” says Dr. David Szalay, head of vascular surgery at Hamilton General Hospital. This is in contrast to lower extremity varicose veins, which are very common and are indicative of incompetent, or leaky, valves. Roxanne Hallgren, RN, BScN, who treats vein abnormalities at her Vancouver clinic, Arbutus Laser Centre, says there are a variety of causes, the most common being genetics.