![](https://sm.mashable.com/t/mashable_in/photo/default/6af21d02-57e1-4071-a8e7-f1147eda161d_sf57.640.jpg)
It's worth mentioning that you can already use your smartphone to track your pulse and respiration with the Google Fit app. Google's other study looks into using a phone's built-in microphone to detect heart sounds.
from Mashable India tech https://ift.tt/K0Hns9Q
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