1. Physiologically:

1. Kev tawm dag zog lub cev yog qhov tsim nyog rau kev loj hlob ntawm tib neeg cov pob txha thiab cov leeg, thiab ua rau cov pob txha muaj zog.Ntawm qhov tsis sib xws, tshwj xeeb tshaj yog cov hnub nyoog nruab nrab thiab cov neeg laus, tsis muaj kev tawm dag zog yog qhov ua rau mob pob txha, thiab cov pob txha tawg yooj yim thiab tawg yooj yim, tshwj xeeb tshaj yog nyob rau lub caij ntuj no;

2. Kev tawm dag zog tuaj yeem txhawb nqa cov metabolism hauv cov khoom hauv lub cev, uas yog qhov tsim nyog los txo lub nra ntawm cov hlab plawv thiab txo cov kev pheej hmoo ntawm cov menyuam muaj mob plawv, ntshav siab, ntshav qab zib thiab lwm yam kab mob hauv cov neeg laus;

3. Kev tawm dag zog lub cev tuaj yeem txhim kho kev ua haujlwm ntawm cov ntshav ncig, ua pa thiab digestive system, uas muaj txiaj ntsig zoo rau kev loj hlob thiab kev loj hlob ntawm tib neeg lub cev, txhim kho cov kab mob tiv thaiv, thiab txhim kho kev tiv thaiv;
4. Kev tawm dag zog kom zoo kuj tuaj yeem txo koj txoj kev pheej hmoo ntawm kev laus ntxov ntxov;
5. Kev tawm dag zog tuaj yeem tswj cov txheej txheem excitation thiab inhibition ntawm lub hauv nruab nrab lub paj hlwb, ua rau koj hloov pauv hauv cov lus teb thiab ua kom haum rau kev hloov pauv ntawm ib puag ncig sab nraud.