Hellow guys, Welcome to my website, and you are watching 급격한 체중 감소…젊은층 '갑상선 항진증', 중년층 '당뇨병', 노년층은 '암' 의심 (민혜연 가정의학과 전문의) / JTBC 상암동 클라스. and this vIdeo is uploaded by JTBC News at 2023-06-22T18:58:31-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.