Wellmark Blue Cross and Blue Shield will conduct a free two-hour health insurance seminar on Oct. 24 for small business owners. The seminar, ""How will the Affordable Care Act affect you? Unlock the answers for your small business" will be presented by Wellmark experts at The Meadows Events & Conference Center in Altoona and will highlight health plans for businesses with 50 or fewer employees. The seminar will also discuss new defined contribution options for small businesses as a means for controlling health care spending and giving employees more coverage options. Preregistration is requested due to limited seating; a choice of morning or afternoon sessions is available. Register online.