Aerobic exercise, also known as cardio, "involves activities that use large muscle groups rhythmically and continuously, raising the heart and breathing rates," explains Gontang. He says that the word ...

Find out about the benefits of working out if you have a long-lasting disease and how to exercise safely.

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 ...

What comes to mind when you think about exercise? For example: What types of physical activities do you imagine (e.g., walking/running, using a cardio machine, weightlifting, yoga classes, etc.,)?

Harvard scientists find that exercise variety is good but not too much and only certain types. Take the findings with a grain ...

It’s crunch time! Most people use the new year as motivation to kick-start their fitness goals. If it’s been a while since you stepped foot in a gym, don’t worry, I’ve got you covered. As the exercise ...

America has an obesity problem. The National Institutes of Health estimates that two in five adults are overweight and one out of every three adults are obese. Though a healthy diet has the biggest ...