Biggest Loser Health Tips

At 36 years old, Mark Kruger weighed in at 285 pounds when he joined The Biggest Loser. "I felt the aches and pains of being big for a while—your knees, your ankles, your lower back," he says.

With his younger brother Jay as his partner, Mark dominated the weekly weigh-ins. But as the weight came off, the fierce competitor's emotions came out. With Bob's help, Mark worked through his emotional pain and tears. "You can handle anything," Bob said to Mark on the show.