Dingo, just catching up on posts and wanted to say that you seem to be doing a good job with your son. Like you, I have only seen studies on JIS that statistically make progression of JIS very likely. I think you are taking a practical approach...maybe the things you are doing won't help, maybe they will. Nonetheless, strengthening exercises, eating a banana, sleeping in the dark, etc only contribute to the overall health of an individual. Worse case scenario your son will be learning healthy habits that may benefit him a lifetime - if it doesn't protect him from scoliosis progression, it may protect him from childhood (or later) obesity or heart disease or make him a better athlete (if that's where his interests lie) or who knows what. Certainly no harm in that! Best case, this will halt or reduce progression in your son's curve. I hope it does. You seem to be taking an informed approach, for example not using or recommending melatonin supplements since there could be a rebound effect and instead taking smaller steps. Very practical.
even those of us without scoliosis could probably benefit from some of your ideas.
daughter, 12, diagnosed 8/07 with 19T/13L
-Braced in spinecor 10/07 - 8/12 with excellent in brace correction and stable/slightly decreased out of brace curves.
-Introduced Providence brace as adjunct at night in 11/2011 in anticipation of growth spurt. Curves still stable.
-Currently in Boston Brace. Growth spurt is here and curves (and rotation) have increased to 23T/17L