Overdiagnosis is the diagnosis of disease that will never cause symptoms or death during a patient's lifetime. It is a problem because it turns people into patients unnecessarily and because it can lead to economic waste (overutilization) and treatments that may cause harm.
Population in families living in Grayson County ; Total Population: 12,554; Population Under 18 years: 2,874; Population 18 years and over: 9,680
265,765 Contributions.   Answer   The largest county in Virginia by size is Pittsylvania County with an area of 978 square miles. The largest county by population, as of 2005, is Fairfax Câ¦ounty with a population of 1,006,529.     I believe that pittsylvania county in the center of southern VA is the biggest.