Vapen MJ announced that Jeffery L. Yarger, Ph.D. has been appointed to Vapen MJ's advisory board. Dr. Yarger brings extensive expertise in chemical and pharmaceutical research and development (R&D) to the Vapen MJ advisory board as a leading pharmaceutical R&D in both academic and industrial laboratories for over 20 years, and a professor of chemistry, biochemistry and physics at Arizona State University (ASU).