I'm a contractor do a lot of sheetrock. I've noticed that new sheetrock and mud doesn't cause a problem for me, but old sheetrock, esp water damaged, can put me down for a week. Brain fog, fatigue, severe gi issues, most the been glutened issues. Don't know why, my dr said I'm in great shape. Been gluten-free for atleast 5 years. Soyfree, dairy free. But...