Various: Types and causes of thyroid disease, some are a genetic cause or predisposition, others are induced by the environment such as viruses, some are immune based and many we don't know the true cause(s). There are disorders of function (high or low) and also of structure. Many run in families. There are too many different thyroid diseases to explain in 400 characters. See your doctor for more info.
Answered 3/1/2020
5.1k views
4 doctors weighed in across 2 answers
6 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question