Yes, I've been working with folks who suffer with ADHD for years, but just didn't catch on, until lately, to the importance of CHADD - the national organization for Children and Adults with AD/HD.
Just as when traveling in any new territory we need useful new maps to find the towns we will be visiting. Many of these towns show up on the map with names we haven't heard before - and those names can be down right intimidating - even to a psychiatrist:
Dr Peter Kramer at Brown University wrote an article in the Sunday NY Times Opinion Review: In Defense of Antidepressants - It's a worthy read on several levels, - but even Kramer missed some fine points. Stats without substance result in gossip.
The science is there folks: gut physiology, gut bugs, healthy gut bugs make a difference in human behavior. Mind and body, last time I checked, are indeed connected.