Biological age tests are becoming popular with biohackers and longevity seekers. They're not perfect health indicators, but they may tell you a little something about your aging body. Even enacting ...

Finding the exact difference between two dates in Excel may not be the most used feature, but it can be a lot of fun. A classic example is working out someone’s age. It’s not as complicated as it ...

Here's how to tell if your heart is trending towards accelerated aging—and what to do if it is, according to an expert ...