To show Lisa and Randy what life could be like for their boys, experts combine scientific research and advice from Yale Medical School's Research Center. Morphing technology then predicts what Cody, Justin and Joshua will look like at age 40.
The results are shocking. All three boys are well overweight, and the tests reveal that Joshua could weigh close to 400 pounds by the time he is middle-aged.
"I don't have any words to describe it," Randy says. "It's hard."
"It's a rude awakening," Lisa says. "An awakening that we need."