Flat feet, also known as fallen arches, is a common condition that affects around 20-30% of the population. Essentially, it means that the arch of the foot has collapsed or never developed, causing the entire sole to come into contact with the ground. While it might not sound like a big deal, flat feet have been known to cause pain and discomfort in people who have them. Let’s explore why flat feet hurt and what you can do to alleviate the pain.