Cholesterol can clog the heart's blood vessels, but it can also affect the legs, leading to peripheral arterial disease, or PAD.
Up to 12 million people in the U.S. have PAD, which is linked to a higher risk of heart disease, heart attack and stroke, says David Slovut, M.D., director of advanced interventional therapy at Montefiore Medical Center.
After five years, 20 percent of people with PAD will have had a nonfatal heart attack.
Here are 11 signs you could have PAD. The good news? It's treatable.