It causes swelling (edema) of the legs. It can also cause sores on the legs. Muscles in your feet and legs help your veins move blood to the heart against gravity. The veins also have one-way valves that keep the blood from flowing backwards. The valves work like one-way gates.
This article is about the children's book by Dr. Seuss. For other uses, see Lorax (disambiguation) . The Lorax is a children's book written by Dr. Seuss and first published in 1971. It chronicles the plight of the environment and the Lorax, who speaks for the trees against the greedy Once-ler.
Based on a 2007 online poll, the National Education Association named The Lorax one of its Teachers' Top 100 Books for Children. In 2012 it was ranked number 33 among the Top 100 Picture Books in a survey published by School Library Journal â the second of five Dr. Seuss books on the list.