In a seismic shift that has left fitness influencers clutching their meal-prep containers, a new approach to muscle building—maingaining—is challenging decades of dietary chaos. The radical concept ...

Plus, exactly how to train to sculpt your muscles.

If you’re over 40 and thinking about joining the gym or picking up weights to get stronger, you’ve probably heard the familiar warning: it’s too late to build muscle now. Hormonal changes, slower ...

Building muscle seems to be on everyone’s mind lately, as it should be. Packing on lean mass has benefits for your metabolism, blood sugar, daily functioning, and longevity, just to name some of the ...