Corns and calluses are related problems to blisters on the skin. 1  Corn: A build-up of hard skin near a bony area of a toe or between toes. Corns may be caused by pressure from shoes that rub against the toes or cause friction between them.  Callus: A build-up of hard skin, usually on the underside of the foot.
Dayton, Kentucky. Dayton is a home rule-class city along a bend of the Ohio River in Campbell County, Kentucky, in the United States. The population was 5,338 at the 2010 census. It is less than 3 miles (5 km) from downtown Cincinnati, Ohio.
In the 2010 census, the population was 141,759, and the Dayton metropolitan area had 799,232 residents, making it Ohio's fourth-largest metropolitan area, after Cleveland, Cincinnati, and Columbus and the 63rd-largest in the United States.