Heart rate zones tell you how hard you're working when you're doing cardio (but not strength training). You shouldn't worry too much about them if you're new to exercise, but if you'd like to give ...

We have just the formula you need to sort what your heart rate training should look like.

This high-efficiency workout style boosts heart health, builds lean muscle, and transforms your fitness routine — all without a gym.

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

Powdered whole milk used to make ByHeart infant formula could be a source of contamination that led to an outbreak of botulism that has sickened dozens of babies, U.S. health officials indicated ...

Federal health officials say a milk ingredient used in ByHeart infant formula may be tied to a botulism outbreak that has sickened dozens of babies across the U.S. On Friday, the U.S. Food and Drug ...

A Portland, Oregon, boy is struggling to recover from infant botulism after drinking contaminated ByHeart baby formula donated through a program that aims to help poor and homeless families. 4 dead in ...

What began as a quiet November walk turned into a life-or-death emergency for Shawn Martin and his wife, Emily. The couple was strolling through the Highland Country Club, closed for Thanksgiving, ...

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...