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English: Appearance and production inquiries: [email protected] ???? Speaker Jeong Hee-won [Writer] Jeong Hee-won Graduated from Seoul National University College of Medicine and received a specialist degree from Seoul National University Hospital. Currently working as a geriatrician at Seoul Asan Medical Center ???? Purchase related books Book title: You Can Age Slowly Too *Kyobo: http://gilbut.co/c/23068664VY *Yes: http://gilbut.co/c/23060553aj *Aladdin: http://gilbut.co/c/23067372GB #Walking #MealAmount #Health ???? All the specialized knowledge in the world! This is your educational channel. ???? Fun Kong Education+ Channel / @Kong Education ???? Broadcasting University Information+ / tvoun ???? U-Know Campus (University Lectures) https://ucampus.knou.ac.kr