COVID-19 took a toll on heart health and doctors are still grappling with how to help

Firefighter and paramedic Mike Camilleri once had no trouble hauling heavy gear up ladders. Now battling long COVID, he gingerly steps onto a treadmill to learn how his heart handles a simple walk.

“This is, like, not a tough-guy test so don’t fake it,” warned Beth Hughes, a physical therapist at Washington University in St. Louis.