Balance difficulties do turn up more often in ADHD, by something like half again. That is a fact about company, not about cause, and it does not turn balance training into a treatment.

Try swapping the word picky for particular. A fair number of people with ADHD have more densely packed taste buds, so the bitterness in a sprout arrives at full volume.

In one trial, children were given omegas with a multivitamin, omegas alone, or neither, and after fifteen weeks everybody got both. The omega groups gained on set shifting and attention, and the children who started with nothing caught up once they crossed over.

With EEG neurofeedback, the weaker the study, the better the results look. Six large trials using sham feedback, with parents and teachers kept unaware of who received what, found nothing beyond placebo.