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. The word “toning” is ...

For people with paralysis or amputation, neuroprosthetic systems that artificially stimulate muscle contraction with electrical current can help them regain limb function. However, despite many years ...

The beginning of the year is always a time when good intentions reign supreme — it’s when we tend to throw ourselves into resolutions focused on nutritious eating and fitness. While many of us lose ...