Ib lo lus teb tseem ceeb heev rau cov lus nug hlawv yog dab tsi txaus ntshai rau tib neeg lub cev los ntawm kev tsis kam noj tshais tag. Cov neeg uas hla kev noj tshais yuav ntsib qhov tshwm sim txaus ntshai - tsis muaj cov khoom noj tseem ceeb.
Cov kws tshaj lij tau kawm txog 30889 tus neeg Asmeskas hnub nyoog 19 xyoos thiab laus dua uas koom nrog National Health and Nutrition Examination Survey (NHANES) los ntawm 2005 txog 2016. Raws li ib feem ntawm qhov kev sim, cov neeg ua haujlwm pab dawb yuav tsum tau ua cov lus ceeb toom ib puag ncig ntawm lawv cov pluas noj: lawv tau sau tseg seb nws yog khoom noj txom ncauj lossis noj mov tag nrho, thiab tseem qhia lub sijhawm. Ua li no, cov kws tshaj lij pom tias leej twg tau noj tshais thiab leej twg tsis kam noj thaum sawv ntxov.
Cov kws tshawb fawb pom tias 15.2% ntawm cov neeg koom, lossis 4924 tus neeg, tsis kam noj tshais. Cov kws tshaj lij suav qhov kwv yees tus naj npawb ntawm cov as-ham rau ib tus neeg raws li cov ntaub ntawv ntawm cov zaub mov. Lawv piv cov txiaj ntsig nrog cov lus pom zoo ntawm Pawg Saib Xyuas Khoom Noj thiab Khoom Noj Khoom Haus ntawm US National Academy of Sciences.