Junior Optimist International will host its 4th annual health fair on May 20 at the Police Athletic League in Baltimore from 10 a.m. to 2 p.m. The Colgate Van will conduct dental screenings from 10 a.m. until noon and at 11:30 a.m. the former Harlem Globetrotter, Spencer “Spinny” Johnson, will provide a wide variety of hands on basketball activities.  Throughout the day members of AARP, Woodlawn Public Library, Baltimore County Department of Health, Cubie “The Love Clown” and others will participate in this event. Refreshments will be served and a door prize will be given at the end of each hour.