Over the last 15 years, Professor Thapar and colleagues have been building evidence to show that ADHD has genetic links. Now, by looking across the genomes of children with ADHD, they have uncovered direct evidence of a genetic contribution to the disorder. (posted August 10, 2012)
http://www.brainfacts.org/diseases-disorders/childhood-disorders/articles/2012/taking-a-genetic-view-of-adhd/
