Jama Editors' Summary: On Research In Medicine, Science, & Clinical Practice. For Physicians, Researchers, & Clinicians.

Effect of Levothyroxine on LVEF in Subclinical Hypothyroidism and AMI, Chemoprevention of Breast Cancer, COVID-19 Syndrome in Children, and more

Editor's Summary by Howard Bauchner, MD, Editor in Chief of JAMA, the Journal of the American Medical Association, for the July 21, 2020 issue