Health and Aging experts will gather in Pella on Wednesday for the Healthy Aging Expo presented by Hearthstone. Not only will those in attendance be able to talk to those experts about a variety of healthy aging concerns, there will also be several health testing opportunities, such as balance assessments, flu shots, and bone density screenings. The free event will be held in the Pella Manor Social Rooms from 1 to 4pm on Wednesday.