Too Much Light at Night May Raise Odds for Thyroid Cancer By Cara Murez and Ernie Mundell HealthDay Reporters WEDNESDAY, Feb. 10, 2021 (HealthDay News) -- Though living in a bustling urban area may have its upside, all those nighttime lights could come at a price to your health, new research suggests. The study, published online recently in Cancer, a peer-reviewed journal of the American Cancer Society, ties an overabundance of nighttime artificial light with an elevated risk of thyroid cancer. It builds on earlier studies that found an association between higher satellite-measured levels o...