Bunion surgery generally involves making an incision in the top or side of the big toe joint area and removing or realigning soft tissue and bone.
If your blood sugar isn't well-controlled, you can also have poor or no feeling in your feet. You might not even realize you have a minor injury. Diabetes can also dry the skin on your feet and make your heels crack.
Maybe you came down too hard when you jumped to catch a ball. Perhaps you stepped into a hole and twisted your foot. You might be the newest member of a common club: people with an ankle sprain.
Improving the circulation of blood to the feet can help prevent problems. Exposure to cold temperatures or water, pressure from shoes, long periods of sitting, or smoking can reduce blood flow to the feet.