Tobacco smoking and human papillomavirus (HPV) are both well-known risk factors for head and neck cancer, but there is ample evidence to show they can interact to increase still further the risk of contracting the disease, according to a study by scientists at the University of São Paulo (USP) in Brazil and the University of Chile.
For unlucky mountaineers, tundra explorers and the unhoused, a new drug could avert the ravages of frostbite
Two days after his right hand froze, Hart Bezner realized for the first time that he might lose it. The retired physics professor was sitting