To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/124255" allowfullscreen></iframe> CDC: More Than 20% of 14-Year-Old Boys Diagnosed With ADHD- See more at: http://cnsnews.com/news/article/terence-p-jeffrey/cdc-more-20-14-year-old-boys-diagnosed-adhd#sthash.NnorlgYR.dpuf