Exercising can be a difficult task or an enjoyable hobby. However you look at it, you’ll want to make sure you’re getting the most out of your workouts. Exercising at the right intensity will make ...

In the fitness world, there are three types of people: those who love cardio, those who don’t, and those who also aren’t fans but choose to do it anyway. If I were going to put myself into a category, ...

This secret to improving your cardiovascular health and endurance: zone 2 heart rate training. Zone 2 cardio rate training means working in one of five heart rate zones at 60-70% of your max heart ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Cardio isn’t for everyone (especially in this weather!), but the great thing about it is that there’s an option for every age, taste and ability. One person who works out a lot but doesn’t necessarily ...

Many data-driven runners have a grasp on common heart rate metrics, like resting heart rate, maximum heart rate and heart rate zones. But there’s another, often undervalued data point worth keeping ...

You’ve probably heard that regular exercise—whether you’re walking, jogging, riding a bike, or hopping on an elliptical—can help protect your heart. But what about if you already have a cardiovascular ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. January 12, 2026 Add ...

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...