Dilatation and contortion of your veins transpire because of venous hypertension. This venous hypertension applies more hydrostatic tension to the calves which disrupts the blood pumping system due to perforating veins. https://pennyjuou188636.pointblog.net/not-known-details-about-present-day-prevalence-of-varicose-veins-and-associated-diseases-in-india-hundreds-of-millions-of-patients-suffer-from-varicose-veins-as-one-of-the-often-neglected-common-diseases-published-studies-estimate-prevalence-in-indians-to-71961462