 Right now, it's 72 degrees and rest in 74 in Bethesda and 78 on the National Mall brought to you by Mervis Diamond Importers. Mervis Diamonds, make a statement. They say you know quality and value only at Mervis Diamond Importers. Coming up on WTOP. The link between loneliness and serious medical conditions. Who's most at risk? I'm Sarah Jacobs.