I’m sorry about the tone, sometimes it’s hard for me to come across correctly over the internet. For everything we know, or think we know, about the link between A and B (and in this case, food and (insert problem/disease) I think there’s about 100 things we’ve yet to discover; I think you’re absolutely right in suspecting a link between the issues. We had a hypothyroidism dog that was diagnosed at about 7 years old, too. Even though medication and synthetics are usually not the first route I prefer to take, in this dogs case I did and it helped him tremendously and he lived a full and happy life. Best to your canine nephew as well!
