The first sign that something was wrong wasn’t a fever or a tick bite for Michael Snyder. It was a number strapped onto his wrist that refused to settle. The Stanford geneticist was mid-flight to Norway when he noticed his heart rate and oxygen levels staying elevated long past takeoff—a pattern that didn’t match any of his previous trips. He felt fine, but his body signaled otherwise. Days later, he tested positive for Lyme disease. His smartwatch had caught it first.
“Resting heart rate is definitely an indicator of all kinds of stress—physical and mental,” Snyder told The Epoch Times.
