Medically reviewed by Paria Sanaty Zadeh, PharmD Key Takeaways Magnesium supports normal heart rhythm by regulating ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

Doing easy runs too fast is a common habit among runners, much to the chagrin of coaches everywhere. I know that staying in zone 2 is critical for aerobic development – and after lowering my ‘easy’ ...