+ duque na net só nús genes

"... it is surprising that a single gene plays a significant role in such a complex behavior.." said another observer who commented on these findings. The key word from where I sit is "complex."

Even if this gene behaves as the scientists suspect, it represents just one element in a brain stew full of ingredients, all of which are constantly interacting with our environments. There are so many twists and turns in the specifics of how any such genes might be expressed, it's even possible to be both a novelty- seeker and a couch potato at the same time.

- Carla (Nelson) Berg
Mother of two ADD teens, she is also, she jokes, "clearly one source of their genes."  ¶ 1:00 AM