There's an article on the BBC about this. It seems to be talking about minor levels of underactivity and not about everyone with an underactive thyroid. I've been on thyroxine for over 30 years and my dose has only change once, to a slightly lower level, in all that time.
www.bbc.co.uk/news/health-48265023
Conundrum regrding friendship.
Russian interference in U.K. politics
