[Lipid peroxidation in pubescent adolescents].

Objective: To assess lipid peroxidation in pubescent adolescents with excess weight and the presence or absence of insulin resistance.

Materials And Methods: This was a descriptive, correlational and cross-sectional study carried out in 80 adolescents aged between 12 and 15 years. Lipid profile, oxidized LDL, 8-Isoprostane and LDL oxidation rates were estimated.

[Relationship between serum lipids and status of vitamin C and E as antioxidants in Venezuelan elderly people].

During aging there is a tendency towards hyperlipidemia and changes in the distribution of lipoproteins. A decline in the functioning of the body's antioxidant defense system is also observed at this time. The objective of this study was to establish the relationship between serum concentrations of total cholesterol and fractions, triglycerides, and Vitamins C and E.

[Lipid profile from low socioeconomic level preschool children. Valencia, Venezuela].

Overweight and obesity are a public health problem worldwide affecting adults and children as well. The aim of this study was to assess overweight, lipid profile and cardiovascular risk ratios in 390 preschool children from low socio-economic level from Valencia, Venezuela. Nutritional anthropometric evaluation measured by body dimensions, and serum determination of cholesterol, triglycerides, HDL-cholesterol, LDL-cholesterol and cardiovascular risk factors, were determined.