diabetes co-morbidities

My dad has hypothyroidism, as does my grandmother. For my whole life, my dad has taken a tiny little pill every morning to make sure his metabolism functions properly.  I always thought that compared to diabetes, thyroid disease wasn’t very “serious” — all my dad needed to do was pop a pill! — and that it was nothing I needed to worry about anyway. But then, because of my diabetes and my “genetic predisposition,” my endocrinologist insisted…