If she has been checked for Cushings, then there is something else going on with her. That is not a normal amount of winter fuzzies for these parts. Is her age confirmed at 20 years old? I usually see elderly horses with that much winter fur - elderly as in 30+ years. She is in rough shape for being 20, there's no life to her, no spark. I'd have her thyroid checked, in addition to other bloodwork. Has she ever foundered?
She has never foundered. Or coliced. Never had any real medical issues. She is current on Coggins, shots, etc. She has regular vet checks and they have never found anything wrong with her. She really is just that fuzzy. Most of my friends have QHs and they, too, are this fuzzy. She's shedding like crazy now though! Like, pat her neck and you have a dog on the floor. Lol
I see what you mean about no spark. But I think it's just these pictures. If you met her in person, she's super cute and spunky. Plenty of life and personality. Always follows behind you. Searches your pockets for treats. She'll even play ball with you!
ETA: She is registered with the AQHA and her papers say she is 20 years old. :)
Wow I thought my mares were fuzzy... lol... she's adorable though, looks like she'll make a great light riding trail horse for you, and I'm sure she'll appreciate the pasture puff life when you go off to school...