Cancer can occur anywhere in the body because every tissue and organ is made up of billions or even trillions of cells. But there are some parts of the body where cancer doesn’t happen as often, such ...

It’s hard to pronounce, but photoplethysmography is a key driver in the explosion of wearable health tracking. It uses those little green lights on the skin side of the wearable to track the amount of ...

If your resting heart rate is under 80 bpm, your hamstrings are flexible, your BMI is in the healthy range, you walk at a ...