The 20–20–20 rule can help — The second I woke up this morning, I picked up my phone and checked my email before catching up on Instagram and Twitter. I spent the next eight or so hours switching between browser tabs for Gmail, Zoom, and Google Docs to work. Any time I took a break, I…

The stress of working out adds to the stress the virus puts on your heart — Exercisers often push through pain when it comes to minor injuries or colds, but working out with even mild Covid-19 is looking to be a bad move. According to a study published in JAMA Cardiology, Covid-19 patients are at risk for heart problems. When researchers performed cardiac MRI testing on…

New technology tracks performance and provides cues to help you improve mid-run — I was zoning out halfway through a long run when I heard a tinny voice in my ear: “Your cadence is low,” it said. “Step faster!” It was almost alarming, until I remembered I had switched out my AirPods for a pair of Soul Electronics earbuds with built-in A.I. coaching…

Researchers have known for years that wearables could be useful for detecting illness. Now they’re exploring whether fitness devices could help track and even contain Covid-19. — As a runner, I live by my fitness tracker data — not just to record pace and distance, but to determine how I slept the night before, measure how recovered my body is from my last workout, and see how my training is progressing. …