Corns and calluses are your skin’s response to pressure and friction. I explain what they are, how to tell them apart, when to see a podiatrist, and the simple fixes that bring real relief.

Your arch shouldn’t collapse as you age. Posterior tibial tendon dysfunction—also known as adult acquired flatfoot—is a progressive condition that starts with inner ankle pain and ends with rigid deformity if untreated. This guide breaks down who’s at risk, how to recognize it early, the science behind braces and orthotics, and the latest surgery options from tendon reinforcement to fusion.