I emailed Melissa. 
The chapter’s contact info is Northern California T1D Resources & Support | Breakthrough T1D
On the tummy issue the doc might order a celiac antibody test in addition to ruling other things out. Unfortunately once the immune system makes one mistake its a little more likely to make a couple others.
For when Leo and @sbj9wildcat Sara’s Frey are feeling tied down by T1D maybe let them read or tell them about T1D and Hiking - #24 by 6yGodsGr She asked some questions, made plans then backpacked with friends and guides from sea level to 7500’ and back down again in a week.