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Alternate Name(s): Varicosity; Varicosis ... In normal veins, valves in the vein keep blood moving forward toward the heart. With varicose veins, the valves do not function properly, allowing blood to remain in the vein. Pooling of blood in a vein causes it to enlarge. This process usually ...
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www.nlm.nih.gov/medlineplus/ency/article/001109.htm#Cau...
www.nlm.nih.gov/medlineplus/ency/article/001109.htm#Causes,%20incidence,%20and%20risk%20factors
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Varicose veins are defined as swollen, distended veins, usually occurring in the legs. They are quite unsightly as I am sure you already know, but more than that, they can be painful. First we must know the normal functioning of the circula...
http://www.essortment.com/all/causesvaricose_rilo.htm
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Spider veins usually do not need medical treatment. But varicose veins usually enlarge and worsen over time. Severe varicose veins can cause health problems. These include:
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www.womenshealth.gov/FAQ/varicose-spider-veins.cfm
www.womenshealth.gov/FAQ/varicose-spider-veins.cfm
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Varicose veins occur because valves between the deep and superficial veins of the leg can no longer do their job. When a valve between the deep system and surface system fails, blood flows the wrong way. Instead of draining the surface veins, the deep veins may ... ; Too much pressure on a vein can cause the wall to bulge.
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www.legsavers.com/varicose_veins.htm
www.legsavers.com/varicose_veins.htm
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Doctors report... Crossing legs can cause ; Varicose Veins ... The cause is unknown, but genetics is a key factor. "Sixty to 80 percent of people who have varicose or spider veins have a history on their mother's side," Navarro said.
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www.legsavers.com/crossing_legs.htm
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Several factors are believed to contribute to the formation of varicose veins and spider veins, including pregnancy, age and lifestyle. Learn about the cause and prevention of spider and varicose veins. Find a vein treatment center in your area. ... Varicose Vein and Spider Vein Prevention ... This tends to distend veins,
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www.veindirectory.org/content/prevention.asp
www.veindirectory.org/content/prevention.asp
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Straining: Chronic constipation, urinary retention from an enlarged prostate, chronic cough, or any other conditions that cause you to strain for prolonged periods of time causes an increase in the forces transmitted to the leg veins and may result in varicose veins.
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www.emedicinehealth.com/varicose_veins/article_em.htm
www.emedicinehealth.com/varicose_veins/article_em.htm
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Causes of Varicose veins including triggers, underlying medical cause of Varicose veins, risk factors, and what causes Varicose veins. ... Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Varicose veins) that could possibly cause Varicose veins includes:
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www.wrongdiagnosis.com/v/varicose_veins/causes.htm
www.wrongdiagnosis.com/v/varicose_veins/causes.htm
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