Just to be on the safe side, get
blood work
drawn for thyroid, diabetes, Celiac disease, since it's a change.
One in about 130 people has Celiac disease, and the majority do not even realize it. If you were to test positive (blood tests) and get on the diet, you could avoid a lifetime of complications from the malnutrition and other autoimmune disease and cancers it can lead to. Find out so you can stay young feeling and pretty as long as possible.