A related issue is thyroid cancer. Diagnosis rates started increasing dramatically almost everywhere in the world in the mid 80's. Diagnosis rates in the US for

A related issue is thyroid cancer. Diagnosis rates started increasing dramatically almost everywhere in the world in the mid 80's. Diagnosis rates in the US for example have tripled since 1980, in South Korea they have gone up 13x since 1993. Meanwhile the mortality rate has been completely flat. The most likely cause of this is increase in both screening and the sensitivity of testing [1]. There is also a current debate about if we should be screening / treating thyroid cancer the way we are, i.e. it seems like we're detecting a lot of innocuous thyroid cancers and then operating without need resulting in unnecessary life long complications for the person. [1] https://www.bmj.com/content/355/bmj.i5745 https://www.bmj.com/content/355/bmj.i5745