In daily life, many people will encounter the problem of swollen legs and feet. Could this be what’s reason? What is the cause of swollen legs and feet? 1. Physiological reasons Standing or walking for a long time: Due to gravity and continuous tension of lower limb muscles, blood reflux slows down, blocking venous blood reflux and edema. Excessive intake of salt: After eating a lot of salt, you will drink a lot of water, which will also cause changes in some hormone levels in the body, resulting in tissue edema. Senile edema: As you get older, the function of heart, liver and kidney decreases and the permeability of blood vessel wall increases, which makes it easier for water to Read More …