Jiefeng Cai

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BACKGROUND The effect of age on optimal body weight is controversial, and few studies have had adequate numbers of subjects to analyze mortality as a function of body-mass index across age groups. METHODS We studied mortality over 12 years among white men and women who participated in the American Cancer Society's Cancer Prevention Study I (from 1960(More)
OBJECTIVES Childhood obesity/underweight status and caries are both important public health problems. This study aims to investigate the caries status and its association with body weight in 8-year-old children in Qingdao, China. MATERIALS AND METHODS We initiated a cross-sectional investigation on 744 children aged 8 years during the Oral Health Survey(More)
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