articles

According to the National Heart, Lung, and Blood Institute, varicose veins are swollen veins visible just under the surface of the skin. They most often occur in the legs, but they can form in any part of the body. More »

www.reference.com Health Conditions & Diseases

Varicose veins are caused by age and pregnancy. Having weak valves and vein walls contributes to the formation of varicose veins. According to Mayo Clinic, as people get older their skin loses elasticity and the valves i... More »

www.reference.com Health Conditions & Diseases

Possible causes of varicose veins, which commonly affect the legs and involve pain, include venous insufficiency, leg vein damage or increased pressure in the leg veins, according to WebMD. Pregnant women often develop v... More »

www.reference.com Health Pain & Symptoms
similar articles

Spider veins are caused by the swelling of veins close to the surface of the skin. Veins have valves that sometimes break or become weak. This causes a back up of blood, swelling and their typical web-like appearance, ex... More »

www.reference.com Health Conditions & Diseases

When blood is too thick, it clots more easily, and the potential exists for blockage of the blood flow through the arteries and veins, according to the National Heart, Lung and Blood Institute. This may trigger a heart a... More »

www.reference.com Science Human Anatomy Blood

Anemia can be caused by blood loss, lack of red blood cell production and high rates of red blood cell destruction, according to the National Heart, Lung, and Blood Institute. A person with anemia does not have enough ox... More »

www.reference.com Health Conditions & Diseases

Oxygen therapy is given in three ways: via a nasal cannula, by an oxygen mask and through a tube inserted into the windpipe, according to the National Heart, Lung, and Blood Institute. Oxygen therapy can be given in both... More »

www.reference.com Health Conditions & Diseases