Interesting @NYPost story—do street lamps cause thyroid cancer? We asked endocrinologist Dr. Pinar Smith to give perspective. Thread 1/6 nypost.com/2021/02/08/str…
"The article raises the question: does 'light at night' specifically means city lights? Could someone watching TV or using their computer/device at night also influence risk? Maybe the study could have also incorporated 'screen time' after dark as a variable." 2/6
Dr. Smith also reminds us to go to the source. The @NYPost story is based on a new study from authors like @cari_kitahara, whom Dr. Smith sees as an influential researcher in both thyroid disease and cancer epidemiology. 3/6 acsjournals.onlinelibrary.wiley.com/doi/abs/10.100…
The study reports “adjustments made for sociodemographic, lifestyle, & other environmental factors.” Specifically, normalizing data for factors like poverty, hours of sleep. Perhaps, a follow-up study might include local air quality, as poor air quality is a known carcinogen? 4/6
Dr. Smith also notes that the study introduction states breast cancer has a similar hormone etiology to thyroid cancer, which is alluding to the fact that estrogen exposure increases the risk of breast cancer. 5/6 acsjournals.onlinelibrary.wiley.com/doi/10.1002/cn…
According to some of the references cited, there is some correlation also found in thyroid cancer. Could this be the reason why women, in general, have more thyroid disease than men? 6/6
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