Here’s why this alternative to the 75 Hard challenge may be a more sustainable approach to weight loss and improved fitness.

When it comes to losing weight safely, experts say that being in a small calorie deficit (where you burn more than you consume) is key to seeing change, and running just so happens to be one of the ...

Add Yahoo as a preferred source to see more of our stories on Google. A fitness challenge can keep exercise exciting so you avoid a dreaded January plateau. (Getty Images) (mapodile via Getty Images) ...