The Guardian seems to be printing the word "thyroid" quite a bit these days! The article below (and do read the rest by following the link to their site) might elicit some responses here. Shame that, at least at the moment, it is not possible to post comments on the article.
'Miracle-cure' claims examined in Sense About Science's guide for patients
I've Got Nothing to Lose by Trying It offers advice on how to tell medical treatments from bogus ones such as homeopathy
Patients harmed by treatments based on unfounded claims, or hit with crippling costs from them, have collaborated with medical charities to produce a guide to the risks of "miracle cures" that are often found advertised online.
Testimonies include one from a woman with a thyroid condition who was bed-bound for weeks after an "alternative doctor" advised her to reduce her prescribed medication.