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. High intensity ...

Add Yahoo as a preferred source to see more of our stories on Google. Most people argue about “fat burning zones” while ignoring the only thing that actually removes body fat, total energy expenditure ...

High-intensity interval training is a workout technique that gets you a lot of bang for your buck. This type of workout serves as cardio and strength training, burning calories, boosting your ...

When you're trying to burn fat, there's one form of exercise you'll start hearing a lot about: high-intensity interval training, or HIIT. These cardio exercises should be done all-out, as hard as you ...

Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...

Discover how much cardio you really need in your 20s, 30s, 40s and beyond to boost heart health, build fitness and support longevity at every stage of life.

Exercise should be part of everyone's lifestyle to prevent disease, improve sleep, strengthen muscles and bones, improve brain health, and boost mood. If your goal is to shrink your midsection, you'll ...

After years of doing cardio and HIIT classes, I'm trying to incorporate more strength training into my fitness regime as I want to build some muscle (and have next to none). My question is: If I carry ...

Maximise heart health, longevity and fitness in every decade ...