Los Angeles, Aug. 9 -- 'Grey's Anatomy' star Camilla Luddington has been diagnosed with a new health condition, an autoimmune disorder that affects the thyroid gland, causing hypothyroidism.

Speaking on the 'Call It What It Is' podcast, the 41-year-old revealed her diagnosis with Hashimoto's disease, as per People.

"Long as you've been listening to us, you've known that I joke about being slothy. Just a little slower. Slower, tired, wanna be in bed, love a nap. It never occurred to me that there could be a medical reason for that," she said at the time.

Luddington also shared that a few routine blood tests helped her find the diagnosis.

Noting that she initially thought it was some age or hormonal issues, the actress added, "And so I ...