Cardio (also called cardiovascular exercise or aerobic exercise) is an important part of staying physically fit. During cardio, your heart beats faster, pumping oxygenated blood throughout the body.

Exercise snacks’ might be only brief bursts of physical activity, but they can have huge benefits for your health.

An updated systematic review finds exercise is as effective as therapy and medication for treating depression. Exercise ...

Stay-at-home strength and stability? We're all in.

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...

It’s widely known that exercise is beneficial for health. Yet science doesn’t have a clear understanding of what makes moving so good for us, including what molecular mechanisms are activated by ...

Dr. Jessica Scott researches how exercise can prevent the decline in fitness often caused by cancer treatments. It may even change the biology of the cancer itself. Cancer patients may be surprised to ...

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 ...

Preclinical and observational studies suggest that exercise may improve cancer outcomes. However, definitive level 1 evidence is lacking. In this phase 3, randomized trial conducted at 55 centers, we ...