BRENTWOOD, Tenn., June 23 /PRNewswire/ -- Learning Lab, Brentwood will present a free seminar, Does My Child Have ADHD? Diagnosing and What's Next?, on Thursday June 24, 2010 from 7:00-8:00 PM at the Maryland Farms YMCA in Brentwood. The seminar will be presented by Dr. David Elkins, Clinical Psycho