A growing number of studies are raising concerns about the coronavirus’ long-term effects on the heart. Athletes especially need to heed the warnings.
That these patients tended to get sicker and died more often than patients without cardiac complications didn’t set off immediate alarm bells. These were, after all, people with serious cases of Covid-19—serious enough to wind up in the hospital. Most people who contract the virus experience a spectrum of less-severe symptoms. As many as one in three never feel sick. But now, evidence is emerging that the virus can cause heart damage even in people who’ve had mild symptoms or none at all, especially if those people exercise while they’re infected.