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"Problem Child in House" cast member Joo Woo-jae's gag subjects Kim Jong Kook to humiliation.

On the 8th, KBS2's "Problem Child in House" will feature endocrinologist Woo Chang-yun and rehabilitation medicine specialist Lee Jong-min, the figures behind the "natural Wegovy" craze, to delve into everything about "diet."

Joo Woo-jae, who had boasted of his "born-thin DNA," said, "I have lived my whole life without gaining weight. I have never once felt 'I've gained weight' in my life," but added, "Recently, over the past few months, I went over 70kg and for the first time in my life I felt that my weight had increased."

In particular, when Joo Woo-jae said, "Even my feet have gained fat so my shoe size increased from 280mm to 290mm," Kim Jong Kook shot back, "You still look slight, so if your weight increased it could be visceral fat." When Joo Woo-jae protested, "My upper arms used to be really thin but now they're much thicker," Kim Jong Kook retorted, "You're still thin," prompting laughter.

Meanwhile, the show will also thoroughly examine the MCs' usual eating habits. As soon as Dr. Woo Chang-yun checked Joo Woo-jae's daily diet, he was so surprised he could not close his mouth, and together with Dr. Lee Jong-min they exclaimed, "This is the worst!" in shock, arousing curiosity.

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