The Milk Mustache Mobile Tour: The tour encourages healthy living, celebrates moms who create nutrition-conscious homes and allows visitors to get milk-mustache photos taken, sample low-fat and fat-free milk from local dairies, win prizes, get exercise advice from fitness experts and speak with a registered dietitian. Baltimore residents can also submit a 30-second video nominating a local mom for the inaugural Chief Health Officer Contest. The winning mom receives the title of America's Chief Health Officer and has the chance to appear in a milk mustache advertisement. Events take place 11 a.m.-1 p.m Friday at Sam's Club, 424 George Clauss Blvd, Severn; 5 p.m.-7 p.m.. Saturday at Greenbelt Consumer Co-op, 121 Center Way, Greenbelt; noon-2 p.m Saturday at Lauer's Supermarket, 8095-A Edwin Raynor Blvd., Pasadena; 11 a.m.-1 p.m. Sunday at Bi-Rite Supermarket, 5950 Belair Road; and 5 p.m.-7 p.m. Sunday at Shopper's, 6500 Eastern Ave. Go to whymilk.com. Free.