We all work in a very high-stress field. — J.H. ANSWER: Hashimoto’s thyroiditis is not at all a rare disease, occurring in up to 10% of the population and in women much more frequently than men.

However, folate is safe and inexpensive. (Though, in theory, it could make a vitamin B12 deficiency symptomatic.) ...

Dr. Keith Roach DEAR DR. ROACH: Please explain Hashimoto’s disease. I have heard it is rare, but two colleagues have recently been diagnosed. We all work in a very high-stress field. — J.H. ANSWER: ...

Dear Dr. Roach: Please explain Hashimoto’s disease. I have heard it is rare, but two colleagues have recently been diagnosed. We all work in a very high-stress field. — J.H.