Kang Ho-dong's story was revealed.JTBC 'Knowing Brother', which aired on the 15th, featured Woo Chang-yoon, an internal medicine specialist who runs the 'Doctor Friends' channel, Lee Nak-joon, an otolaryngologist, and Oh Jin-seung, a psychiatrist.On this day, Woo Chang-yoon asked why he chose Seo Jang-hoon and Kang Ho-dong as the members of 「Knowing Brother」 that he wanted to see the most.」I also had a sense of challenge that I wanted to quit for 10-15 years when I was a doctor and try somethin
