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. You've probably heard ...

Movement is one of the most powerful predictors of how well we age. Building strength, balance, and mobility in your 30s and 40s lays the foundation for independence later in life. As a physical ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

This article introduces practical methods for evaluating AI agents operating in real-world environments. It explains how to combine benchmarks, automated evaluation pipelines, and human review to ...

Shebah Carfagna sees aging as “a redesign, not a decline”. At 68, she is an inspiration. Refusing to let difficulties in life derail her, Carfagna is now a Senior Planet Sponsored Athlete. “I stand ...

If you spend the majority of your day sitting at a desk, finding ways to move more is important. A number of studies have shown that prolonged sedentary behavior increases your risk for several health ...

Many people who lose their jobs are surprised to learn that unemployment benefits are taxable. If you didn’t have taxes withheld from your benefit check, you could find yourself owing money when you ...

For years, managers have been encouraged to praise and constructively criticize just about everything their employees do. But there are better ways to help employees thrive and excel. by Marcus ...

If your current health goal isn't just to lose weight, but also to lose fat and gaining muscle, it may seem contradictory to what you've been taught. Instead, you may want to consider body ...

Lifting weights is one of the best ways to build muscle and transform your body. While there are many benefits of strength training that don’t involve changing your body composition, experts often ...

To make a treadmill workout more effective for weight loss, try high-intensity interval training (HIIT) by alternating short, hard runs with longer recovery walks. Change your treadmill routine often ...

Objective To systematically review, summarise and appraise findings of published meta-analyses that examined the effects of caffeine on exercise performance. Design Umbrella review. Data sources ...