Photo by Paul Hanna / Bloomberg / Getty Images
Photo by Paul Hanna / Bloomberg / Getty Images

From the images of cloudy chest scans and gasping patients hooked up to ventilators, we’ve been conditioned to think of Covid-19 as a respiratory disease. But it’s not just about the lungs. Even from the early days of the pandemic, doctors were finding that a novel coronavirus infection could ravage other parts of the body, including the brain, blood vessels, and heart. Data from initial outbreaks in China, New York City, and Washington state suggested that 20 to 30 percent of patients hospitalized with Covid-19 showed signs of cardiac injury.

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.

For the full story, visit Wired.com.

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