نتایج جستجو برای: dietary fat
تعداد نتایج: 299150 فیلتر نتایج به سال:
Increasing dietary fat content increases mammary gland tumorigenesis in laboratory rodents. The effect can be attributed only in part to increasing energy intake, which itself increases tumorigenesis. Restriction of dietary or energy intake, sufficient to reduce body weight, reduces mammary gland tumorigenesis. Consideration of these effects has led to discussion of the possible need for change...
The aims of a national dietary study are several-fold. One purpose is to monitor the intake of foods and nutrients in the population and to compare intakes with dietary recommendations. It is, however, difficult to measure dietary fat intake and plasma biomarker fatty acid (FA) composition may be used as an objective measure of dietary fat intake. Thus, the relative ability of a diet record to ...
W e read with interest the article by Freire et al. (1), which implicates that total dietary fat might increase the risk for metabolic syndrome. Conversely, they discovered an inverse relationship between linoleic acid intake and the metabolic syndrome. These data add to the mounting evidence describing the association between high dietary fat intake and features of metabolic syndrome either al...
The objective of this study was to determine the effects of fat supplementation from canola seed (CS) on ruminal fermentation and postruminal digestion of OM, carbohydrates, and energy of diets containing different levels of forage. Six ruminally and duodenally cannulated beef steers (354 kg +/- 18) were given ad libitum access to six isonitrogenous diets that were offered twice daily in a 6 x ...
BACKGROUND Choline is an essential nutrient and betaine is an osmolyte and methyl donor. Both are important to maintain health including adequate lipid metabolism. Supplementation of dietary choline and betaine increase muscle mass and reduce body fat in animals. However, little data is available regarding the role of dietary choline and betaine on body composition in humans. OBJECTIVE To inv...
Background: Polycystic Ovary Syndrome (PCOs) is one of the most common metabolic and endocrine abnormalities among women in reproductive age. In the case of not comprehensive treatment, PCOs can lead to hormonal, metabolic, and fertility disorders. The exact cause of PCOs is still unclear. This disease seems to have a genetic background caused by the interference of several key genes with the ...
Background: Mammalian spermatozoa are characterized by a high proportion of polyunsaturated fatty acids (PUFA) and the membrane structure of spermatozoa plays a crucial role in fertilization. Moreover, dietary fatty acid (FA) influence sperm FA profiles in several species. This study focused on responses to dietary omega-3 fatty acids and comprehensive fatty acid profiles analysis in men as wel...
OBJECTIVES To quantify global consumption of key dietary fats and oils by country, age, and sex in 1990 and 2010. DESIGN Data were identified, obtained, and assessed among adults in 16 age- and sex-specific groups from dietary surveys worldwide on saturated, omega 6, seafood omega 3, plant omega 3, and trans fats, and dietary cholesterol. We included 266 surveys in adults (83% nationally repr...
CONTEXT The hypothesis that a low-fat dietary pattern can reduce breast cancer risk has existed for decades but has never been tested in a controlled intervention trial. OBJECTIVE To assess the effects of undertaking a low-fat dietary pattern on breast cancer incidence. DESIGN AND SETTING A randomized, controlled, primary prevention trial conducted at 40 US clinical centers from 1993 to 200...
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