Does IBS worsen as you grow older?

Only. If your diet and fluid habits don't get corrected properly. It all comes down to regular meal times, hi fiber, hi fluids and staying consistent and essentially retraining your bowels.
Yes. Check my blog if you need further info - http://metametrix. Blogspot. Com igg second line of response. Serum immunoglobulins. Igg1 - shortterm (igg1 has 1-2 half life) response to food allergy then there is igg4 response- long term exposure (igg4 has 21-30 days half life). Prolonged exposure to food allergens - exposure to antigen stimulates igg1 response to - igg4 response inbody - sorry technical.