Also feel your feet to search for cold or hot spots. Don't walk barefoot. You can burn or cut your feet. Use an emery board or pumice stone each day to smooth calluses. Do not cut calluses or corns yourself.
Smoking cuts off blood flow.
Clean any injuries right away. And call your doctor, no matter how minor your wound. A tiny cut on the foot can quickly become large and infected. Also call your doctor if you get a blister on your foot, your skin cracks open, or your foot hurts. Cut toenails straight across.