Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

The fitness industry and its influencers have long preached toxic ideas of what a cardio workout needs to look like in order to “count”: that you have to burn a certain number of calories, feel ...

Learn how low-impact cardio can reduce stress and build muscle, as one longtime fitness expert highlighted its significant benefits. Low-impact cardio offers multiple benefits, including improved mood ...

If you’ve recently started a journey to lose weight safely yet efficiently, doing cardio for weight loss is key. And there are certain moves that get your heart pumping while helping you reach your ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Let's be real: Sometimes you just don't have the energy to bang out a full workout, whether it's a five ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

If you want to boost your cardio fitness, you’ve got two ways to level up your workouts: push harder or faster, or keep at it for longer. Each option comes with its own challenges. The first can ...

Zone 2 cardio workouts have gotten a lot of love lately. The second least-intense type of cardio on a scale of 1 to 5, zone 2 involves raising your heart rate only a bit—to 60% or 70% of your max. It ...

You arrive at the gym and find yourself at a familiar crossroads: Turn this way for the weight room, or that way for the cardio deck. You planned to do both—but which should you do first? Does it even ...