Last Updated on April 5, 2024 by pg@petergamma.org The scientist who tests those is Rob ter Horst: but as said previously, his accuracy tests are controversial: https://petergamma.org/category/is-this-product-part-of-a-marketing-trust-marketing-trusts-are-forbitten-in-switzerland The scientist who uses those for writing papers: Peter H Charlton: The 2023 wearable photoplethysmography roadmap: https://iopscience.iop.org/article/10.1088/1361-6579/acead2 together with around 50 co-authors: Peter H Charlton48,1,2, John Allen48,3,4, Raquel … Continue reading Are there only two scientists around the world who use smartwatches for scientific studies? – Rob ter Horst tests those & Peter H Charlton writes papers with those?