The procedure of DC Rainmaker & Rob ter Horst over the last 10 years is completely incomprehensive for Peter Gamma, Physiologist & Director of the Meditation Research Institute Switzerland (MRIS)

Last Updated on March 13, 2024 by pg@petergamma.org

For around a decade DC Rainmaker, and Rob ter Horst since 6 years make people believe that they have highly accurate smartwatches:

Which is not true. Read you review about it:

and what we write under «PPG»:

https://petergamma.org/category/optical-heart-rate-sensor/

And does this not also make you retreat from smartwatches, if you are a medical doctor or a scientist as we did it, as soon as possible?

And does this not also make you retreat from DC Rainmaker & Rob ter Horst as well, since they do not offer reviews about accuracy studies about smartwatches, which are from balanced &objective reviewers at the university level who want to find out about the truth.