Electrolytes are minerals in your blood and other body fluids that carry an electric charge. Electrolytes affect how your body functions in many ways, including: 1  The amount of water in your body. 2  The acidity of your blood (pH)  Your muscle function.
Louisville-area population tops 1.3 million. The population of the Louisville metropolitan statistical area has reached an estimate of more than 1.3 million, keeping the local MSA among the largest U.S. markets. Based on estimates by The Business Journals, an affiliate of Business First, the population of Louisville was 1,306,171 as of Jan. 15.
The median age of people in Louisville/Jefferson County, KY-IN Metro Area in 2015 was 38.9, and native-born citizens (39.1) are generally older than foreign-born citizens (37.2). Compared to 2014, where the average age was 38.4, the residents of Louisville/Jefferson County, KY-IN Metro Area are getting older.