Fitbit’s AI coach is going global, turning your cardio fitness data into clear, personalized insights you can actually understand and act on.

First, it helps to understand the difference between the two common ways physiologists report VO2 max. Relative VO2 max takes that number and divides it by your total bodyweight, commonly expressed in ...

Timing exercise to match body clock chronotype—the natural predisposition to morning or evening alertness—may lower ...

A new performance marker is changing how men train, recover, and measure true fitness.

Background: Exercise unmasks limitations in multi-organ system reserve capacity characteristic of heart failure with preserved ejection fraction (HFpEF). However, the metabolic and genetic ...

When life gets busy, it can be hard to find the energy to exercise. Here’s what experts recommend to feel more alert and ...

People who exercise in the morning may lower their likelihood of developing cardiometabolic disease compared with those who ...

Emerging evidence suggests that higher-intensity exercise doesn’t harm healthy pregnancies—and may protect against conditions like gestational diabetes and preeclampsia. Researchers are beginning to ...

There's good news for fitness enthusiasts who enjoy a drink every now and then: recent studies have examined the effects of ...

A man was arrested after assaulting a woman during a concert (Picture: Getty Images/iStockphoto) A 26-year-old man has been arrested after allegedly sexually assaulting a woman in the middle of the ...

A new study suggests that timing exercise to align with your body’s unique circadian rhythm could be key for optimal heart ...

Objective To assess the impact of acute hypoxia-induced periodic breathing on respiratory efficiency in young healthy males.