Kailey Kornhauser, in Bicycling, on cycling while fat.
Benjamin Mazer, in Medscape (and yes, I know you need to register to read their free content), on the commonly cited myth that medical errors are not the third leading cause of death.
[And in case you don't follow me on social media, as a huge fanboy, I can truly say it was my great pleasure to chat with the talented Wendy Zuckerman for her podcast Science Vs and her episode on what exercise can and can't do]