B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

A body composition scale analyzes how electrical signals flow through your body, estimating how much of your total weight is fat-free mass compared to body fat. You may not always get every answer you ...

Imagine a world where every inch of you stays as fresh as a daisy on a spring morning. It might seem far-fetched if you often find yourself drenched in sweat and not smelling your best. Enter ...

Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do smart scales work, and how accurate are they? When you purchase through links on our site, we ...

New research shows feverish temperatures make it more difficult for viruses to hijack our cells. A mouse study suggests it's the heat itself that makes the difference.