Austen Alexander on MSN

US Marine vs firefighter in the beep test - who is more fit?

A US Marine and a firefighter squared off in the brutal Pacer Fitness Test. Both professions demand elite conditioning, but only one could go further. As the beeps sped up, pride became a major factor ...

Is that carb ultra-processed? Here's a test even a kid can do

The latest nutrition guidelines urge Americans to avoid highly processed food. But when it comes to carbs, many people don't ...