Pure Lithium’s U.S.-built battery uses no Chinese materials and has survived 1,300+ charge cycles in lab tests.

The Apple Watch can do almost anything, if you load the right app. The Garmin Forerunner line gives you a wealth of data and ...

2018 research suggests that sleep deprivation can also increase your heart rate. Aim to sleep 7 to 9 hours every night. Anemia occurs when you have too few healthy red blood cells in your body to ...