Cov kws tshawb fawb Asmeskas (los ntawm University of Buffalo) tau tshawb fawb thiab tau ua pov thawj tias qhov dej haus zoo tshaj plaws rau pluas tshais yog kua txiv kab ntxwv.
Ib pawg neeg tuaj yeem pab dawb hauv cov nyiaj ntawm 30 tus neeg hnub nyoog 20-40 xyoo tau koom nrog qhov kev sim. Cov zaub mov uas lawv tau muab yog tib yam: qos yaj ywm, nqaij npuas kib thiab scrambled qe. Tab sis cov dej haus txawv. Peb pawg ntawm 10 tus neeg txhua tus tau haus dej dawb, dej qab zib thiab kua txiv kab ntxwv, raws li.
Kev kuaj ntshav tau ua tom qab noj tshais nrog lub sijhawm ntawm 1,5-2 teev. Cov neeg koom nrog haus cov kua txiv kab ntxwv tau pom tias muaj cov tshuaj tiv thaiv kab mob siab tshaj plaws thiab cov piam thaj qis tshaj plaws (glucose) hauv kev kuaj ntshav. Cov kws tshawb fawb tseem ceeb toom tias cov kua txiv kab ntxwv yuav tsum tau sib cuag nrog cov hniav ntawm cov hniav kom tsawg, tsuas yog siv cov quav cab thaum koj haus nws.