When Anjuli Mack was body-shamed for not looking "fit," she went down a fad diet rabbit hole. A decade later, she's in shape and feels strong.

Alan Ritchson told Business Insider he eats corned beef hash to build muscle for his role in Prime TV's "Reacher" TV series.

ATHLEAN-X founder and fitness coach Jeff Cavaliere took a closer look at the dieting and training strategies of Mark Wahlberg ...