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 ...

Your official weekly (and daily) exercise breakdown.

Working out can boost mental health. To reap the most benefits, it should be structured, supervised and contain a social ...

The word "eccentric", you’ll know, is most commonly used to describe someone or something unconventional – but in the world of fitness, it means something quite different. Thankfully, eccentric ...

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.,)?

We also found aerobic activities – such as walking, running, cycling, or swimming – were best at reducing both depression and ...

“An isometric exercise is a static exercise where you hold a muscular contraction without movement, as opposed to a dynamic exercise where the muscles are able to contract from their longest to their ...

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. October 21, 2025 Add ...

As we grow older, it is important to stay physically active. Three medical experts offer tips on how to achieve this beyond ...

Osteoarthritis is a common degenerative joint disease that causes pain, stiffness and swelling, and reduces your range of motion. It often affects the knees, hips and hands, although it can also occur ...

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 ...