Infection: 1  Fungus or yeast cause changes in the color, texture, and shape of the nails. 2  Bacterial infection may cause a change in nail color or painful areas of infection under the nail or in the surrounding skin. 3  Viral warts may cause a change in the shape of the nail or ingrown skin under the nail. 4  Certain infections (especially of the heart ...
Columbia, Maryland. Columbia is a principal city within the Baltimore metropolitan area, located in Howard County, Maryland. It is a planned community consisting of 10 self-contained villages. It began with the idea that a city could enhance its residents' quality of life.
Columbia, Tennessee. Columbia is a city in and the county seat of Maury County, Tennessee, United States. The population was 34,681 at the 2010 census and in 2013 the population was 35,558. The Mule capital of the world, Columbia annually celebrates the city-designated Mule Day each April.