Heart rate and respiratory rate are two vital signs commonly used to assess your health and wellness.
To capture your heart rate, you oughta simply place your finger on the rear-facing camera lens.
The app then follows subtle colour changes in the fingertip as blood flows from your heart through your body.
Google has already completed initial clinical studies to validate both features that were developed in-house.
These features work in a variety of real-world conditions and for as many people as possible.
According to Patel, the features are only intended to let users track and improve day-to-day wellness.
source: www.techworm.net