If your veins are visible in your hand, it is a signal

when veins change suddenly: becoming swollen, tender, twisted, or accompanied by heaviness in the legs, new swelling, or shortness of breath. Chronic venous insufficiency can cause varicose veins and leg discomfort, while deep vein thrombosis hides a dangerous clot that may only reveal itself through pain, warmth, or color changes. In more serious continue reading …