Varicose Veins and Spider Veins How can I prevent varicose veins and spider veins? http://www.womenshealth.gov/ Return to top leg veins womenshealth.gov Office of Women's Health spider veins are caused by weakened valves Return to top Return to top inactive during the day better directing help to prevent spider veins prevent spider veins endovenous techniques Office on Women’s Health womenshealth.gov Return to top Return to top half of all Americans help to prevent spider veins Office on Women’s Health Office on Women’s Health (OWH) WomensHealth.gov Office on Women’s Health statistics inactive during the day Womenshealth.gov: Varicose Veins and Spider Veins Fact Sheet Women’s Health, "Varicose veins and spider veins fact sheet" Spider veins and varicose veins Women’s Health, "Varicose veins and spider veins fact sheet" Varicose veins and spider veins Return to top Return to top Return to top Return to top WomensHealth.gov: Varicose veins and spider veins fact sheet help to prevent spider veins Women sufferers out number men in varicose veins Womenshealth.gov Return to top Return to top prevent spider veins varicose veins womenshealth.gov Varicose veins and spider veins fact sheet Womenshealth.gov affecting 1-in-5 men and 1-in-3 women