Why wrist vs. chest heart rate monitoring makes me worried when pharma r&d and digital health mate
The Polar heart rate monitor was invented in about 1977 and was released to the retail market in the early 1980’s. Let’s call it 1984. Fast forward 35 years and I suffer from terrible FOMO from looking at all the super trendy wrist worn “fitness” trackers that have eradicated fine watches. However, wrist worn fitness…