Why am I making a grain free granola? And what's it got to do with my thyroid?

I have been asked this question a few times in the last couple of days when I mentioned I had made a grain free granola, as I have decided to go grain-free for January (and possibly longer). Does it have oats in it? What are grains in? What's wrong with grains, and why are you giving them up? Aren't you already gluten free, what's the difference?

Whoa! So many questions! I realised, however, that I live in my little nutrition bubble where I assume that everyone knows what grains are, and what paleo is, and what a grain free granola is! But it's actually only the other people in my nutrition bubble who know what I am on about, and the vast majority of the population just think I am slightly bonkers.

So, before I get to the recipe for this delicious, grain-free granola, I thought I would give you a little background as to why I am going grain free. It's a bit personal and it's about my health. But...