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.
In 2015, the median household income of the 39,893 households in Columbia, MD grew to $100,849 from the previous year's value of $100,252. The following chart displays the households in Columbia, MD distributed between a series of income buckets compared to the national averages for each bucket.