When your heels hurt, your whole body suffers. If you’re avoiding activities you love or accomplishing daily tasks due to the pain, it’s time to do something about it.

For many Americans, December is filled with good cheer, festive activities, time with family, and—last but not least—great food! Unfortunately, ‘tis the season for gout flare-ups as well, and food is often a major culprit.

Do your shoes fit? It seems like a silly question, but you might be shocked to know how many people are wearing shoes that are the wrong size, width, or shape for their feet every single day.

Supination, also known as underpronation, is the insufficient inward roll of the foot after landing. It may be the result of having a naturally high-arching foot, or it may also be caused by certain muscle weakness in your calves, ankles, or feet that are a result of ill-fitting running shoes, improper gait, or previous injuries.

When it comes to aching feet, you’re probably familiar with the usual suspects like bunions, plantar fasciitis, and too many hours in sky-high stilettos. But there are a few other reasons your feet might be hurting you—and they’re not quite as obvious. Here are a few ways you might be putting extra wear-and-tear on your feet without realizing it.