Hi Smokey, I was going to say, I have Hashimoto's Thyroiditis so maybe that's why I have ridges on my nails.
Mum had Hashimoto's, Diabetes and Pernicious Anaemia, Aunty had Rheumatoid arthritis and diabetes and maternal Grandad had those 2 as well, other Aunty has thyroid problems, Great Grandmother had RA and PA and Great Grandfather had something but not sure what,
Maternal Great Grandfather and Great Grandmother were 1st cousins so there is an extra strong family history of all this.
Sorry to go on, you only asked me what mine was