Because knowledge is power when it comes to fitness.

Research suggests that as much as 80% of women struggle with poor body image, and 70% of women who are at healthy weights want to be thinner. Body image trouble can lead to a host of other ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published January 4, ...

Can we start with a confession? I used to give the scale like it more authority than it really had. As if that little glowing number had the final say on how I felt about my body, my discipline and my ...

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. I replaced my kitchen ...