Immune health is a concern for consumers of all ages, from the very young to the elderly. According to a report published by Global Business Insights, products marketed as helping to provide immunity are driving new product development in the immune health and vitality sector, and now account for 44% of product launches, says Ram Chaudhari, Sr.Executive Vice President, Chief Scientific Officer, Fortitech Inc., Schenectady, N.Y. (phone 518-372-5155, www.fortitech.com). Interestingly, according th…