Causes and risk factors of Barrett's esophagus As with most diseases and conditions, there are certain groups of people who are at a higher risk of developing Barrett's esophagus. GERD is a condition that is closely linked to Barrett's esophagus.
Potomac River â Map & Details. print this map. Located along the mid-Atlantic coast of the United States, and flowing into the Chesapeake Bay, the Potomac River flows through Washington DC, Virginia, Maryland, Pennsylvania and West Virginia.
What you need to know about Potomac, MD. Potomac is located in Montgomery County, Maryland. The population is 71% White, 5% Black, 16% Asian and 0% Native American or Native Hawaiian. 1% identify as another race or ethnicity, or two or more races. 8% of residents are of Hispanic or Latino origin.