African Americans who smoke cigarettes are more likely than those who don't smoke to develop peripheral artery disease, according to new research [...] Peripheral artery disease (PAD) is a narrowing of arteries other then those directly serving the heart. [...] African Americans are disproportionately affected by PAD, nearly twice as much as non-Hispanic Whites. While cigarette smoking is a recognized PAD risk factor, little is known about its specific impact on African Americans.