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.
Expensive / Cheapest Homes by City in MD. Most / Least Educated Cities in MD. As of 2010-2014, the total population of Columbia is 102,116, which is 15.71% more than it was in 2000. The population growth rate is higher than the state average rate of 11.16% and is higher than the national average rate of 11.61%.