Building a real-life version of the Star Trek tricorder has been the goal of engineers and hackers alike since the first time Dr McCoy complained about being asked to work outside of his job ...

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? There are probably a lot of things you keep tabs on over the course of a ...

They both do the same thing but in vastly different ways. We lay out the pros and cons of wrist and chest strap heart rate monitors When you purchase through links on our site, we may earn an ...