USA TODAY spoke to two participants who dedicated themselves to completing the popular lifestyle challenge "75 Hard" that has ...

Always ensure that you are not pushing yourself and your body too hard." 75 Hard founder Andy Frisella has been approached for comment.

75 Hard founder Andy Frisella has been approached for comment. Before starting any new fitness regime, we recommend visiting a doctor or medical professional for advice first.

Fraser Smith, a personal trainer and the founder of Vive Fitness says: “It is important to view 75 Hard as a personal ...

One strict regime that's taken hold in recent years is 75 Hard. On the challenge's website its creator, American businessman Andy Frisella, described it as a "transformative mental toughness programme ...