now, one form of this nerve damage, we call diabetic peripheral neuropathy.dpn, you may get foot ulcers and may ultimately lose the foot. if you have tingling in the feet, sharp staping pain or numbness -- stabbing pain, or numbness, you may not feel the feet at all, that may be nerve damage. 60-70% of people with diabetes, actually have some form of nerve damage or what we call neuropathy. >> that's a high percentage, and if you look at this foot, does it frighten you? [ audience oohs ] >> a little bit, right? it should. because poor blood flow is a problem that could impact the feet. i will show how it happens. because, instead of healthy blood flow to your feet, so, normally, blood flows no problem down to the feet, pretend this is an artery, taking blood to the foot. with diabetes, and high cholesterol, fat and cholesterol deposits in the arteries prevent good blood flow. you see that? so this is your foot. you are not getting good blood flow. that's called peripheral vascular disease and it makes it harder to deal with injuries and fight off seemingly mi