By Bob Condor

Consider a group of parents with school-age children. Chances are you can generate some lively discussion by introducing the topic of attention deficit hyperactivity disorder or ADHD. You would not only get plenty of opinions about whether it is overprescribed, underdiagnosed and the like, but it’s quite possible you would hear some spirited discussion about whether kids should take drugs when identified with the condition.

“Not drugs, but St. John’s wort would be good,” said one mom …