Last Updated on December 25, 2025 by pg@petergamma.org How accurate are smartwatches? Peter Gamma from www.petergamma.org was interested in this question some time ago. And more and more scientific papers became available about this topic. So we had a closer look at those: But what was striking, that these papers did not use the same … Continue reading Are Richard Davidson s scientific studies about meditation controlled by marketing agencies to sell us something?