https://www.123articleonline.com/rss/author/457331/vipn-singhArticles written by Vipn Singh from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1521265/standing-all-day-makes-your-veins-worse-treatment-options-that-actually-work Veins work against gravity. Their job is to push blood back up to the heart. They rely on tiny valves and muscle movement to do it.