OBJECTIVE To evaluate the validity and reproducibility of a food frequency questionnaire (FFQ) developed for assessing the association between dietary factors and breast cancer risk among Chinese women in Guangdong. METHODS 61 women (24-64 years) were recruited from the community in Guangzhou city. An 81-item FFQ was administered twice, one year apart (FFQ1, FFQ2). In the mean time, six 3-day...

Three major sediment-associated processes were presented to describe the effects of sediment on the water quality processes, including the effect of sediment on the light intensity for the growth of phytoplankton (PHYTO), the adsorption–desorption of nutrients by sediment and the release of nutrients from the bed sediment layer. A formula was generated from field measurements to calculate the l...

Plant-bacteria partnership is a promising strategy for the remediation of soil and water polluted with hydrocarbons. However, the limitation of major nutrients (N, P and K) in soil affects the survival and metabolic activity of plant associated bacteria. The objective of this study was to explore the effects of nutrients on survival and metabolic activity of an alkane degrading rhizo-bacterium....

background: dietary approaches to stop hypertension (dash) eating plan is a healthy dietary pattern. our object is to review surveys in the field of major components of dash diet and different kinds of cancers. materials and methods: our search result from pubmed search engine recruited to find related articles. results: adherence to the dash diet components was significantly related to lower p...

conclusions the results of the current study suggest that increasing the quality of the diet calculated according to hei can reduce the risk of coming down with cataract. patients and methods this case-control study was conducted on 97 patients with cataract and 198 healthy people (as a control group) in iran. individuals were selected by the convenience sampling method and the food frequency q...

Essential Knowledge  Peristalsis moves food through the digestive tract.  Food is broken down in a series of mechanical and chemical ways throughout the digestive process.  The major organs of the digestive tract include: Mouth (and all associated parts), Esophagus, Stomach, Pancreas, Liver, Small Intestines, and Large Intestines.  Most nutrients are absorbed after passing through the stoma...

A recent review article published in Nutrients by Brewer [1] attracted the attention of the readers on the role of copper toxicity as major factor in Alzheimer's disease.[...].

BACKGROUND This paper investigated the relationship between body mass index (BMI) and total energy intake as well as intake of three major nutrients in representative Japanese populations enrolled in the National Nutrition Surveys of Japan in 1980 and 1990. METHODS A total of 10,422 participants (4585 men and 5837 women) and 8342 participants (3488 men and 4854 women) aged 30 or older from 30...