What PPG Can Reveal: New Cardiovascular and Respiratory Research Findings (opens in new tab)

We believe that the finger is one of the most information-rich surfaces on the human body. The photoplethysmography (PPG) sensor inside every Oura Ring continuously captures the arterial pulse wave as it travels through the finger, and hidden within that signal is a remarkably detailed picture of cardiovascular and respiratory health. We have been investing […] The post appeared first on .