Rau cov koob txhaj tshuaj zoo nkauj chaw tsim tshuaj paus , txhua tus muaj kev txhawj xeeb tshwj xeeb txog nws, yog li peb cov neeg siv khoom zoo rau cov neeg siv khoom zoo thiab nyiam lub koob npe zoo hauv ntau lub tebchaws. Mecanmed zoo koob tso zis cov chaw tsim tshuaj paus cov yam ntxwv tsim & cov tswv yim thiab cov ntaub ntawv sib tw, muaj thov koj xav tiv tauj peb.