Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Researchers have applied a new way to measure the complexity of pulse ...

Across three obstructive sleep apnea severity levels, the Circul ring had “good diagnostic accuracy” using oxygen ...

If you wanted to check someone’s pulse from across the room, for example to remotely monitor an elderly relative, how could you do it? You might think it’s impossible, because common health-monitoring ...