Yes, it's possible, but consider yourself fortunate if you do have it and get a diagnosis this early. Many of us went yrs w/out a proper diagnosis, and received labels such as panicky, paranoid, ADD, etc. It can be properly managed if you have it, and is not a death sentence or anything. Most ppl go into remission for yrs and yrs.
Unfortunately, thyroid issues aren't "age particular"....... they can hit anyone, at any time.
The disease isn't designed at any particular age. Its open to 9 mths - to 90 years.
I was diagnosed with Graves at 19.