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. February 18, 2025 Add ...

Your heart rate is the number of times your heart beats in a minute—while it may not stay the same due to changes in response to things like your activity level and emotional state—going high can be ...

You don't need a gym or fancy equipment to start strength training. Bodyweight exercises, such as air squats, push-ups and ...

You can also test the accuracy of your numbers out on the run, for example by running at what feels like a hard pace (using the ‘talk test’, you should only be able to get two or three words out at a ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...