Everyone gets a blister or callus now and then, but these little bothers are much more serious for people with diabetes, whose feet are particularly vulnerable to infection. Poor blood circulation (common with the disease) makes healing more difficult. And because of nerve damage, you might not feel sores, blisters or cuts. Foot problems left untreated could even lead to amputation. So check your feet every night this week before you pull the covers back; the ritual will become second nature in no time. Here are some more tips to maximize foot health.