Simon P. Mooijaart, MD, PhD1,2; Robert S. Du Puy, MD3; David J. Stott, MD4; et alPa Author Affiliations Article InformationJAMA. Published online October 30, 2019. doi:10.1001/jama.2019.17274 Key PointsQuestion Among adults aged 80 years and older with subclinical hypothyroidism, what is the association between treatment with levothyroxine and thyroid-related symptoms? Findings In this pooled analysis of...