Correlates of emotional and social loneliness among community dwelling older adults in Rotterdam, the Netherlands.

Objectives: Loneliness is seen as an important problem, contributing to serious health problems. As a baseline measurement for the evaluation of a community project aimed at reducing loneliness in Rotterdam, loneliness was measured, as well as potential correlates. This article describes models of social and emotional loneliness among older adults.

Fish consumption, n-3 fatty acids, and colorectal cancer: a meta-analysis of prospective cohort studies.

Animal studies show favorable effects of n-3 fatty acids on inflammation and cancer, but results from epidemiologic studies appear to be inconsistent. The authors conducted meta-analyses of prospective cohort studies that evaluated the association between fish consumption or n-3 fatty acids and colorectal cancer incidence or mortality. Random-effects models were used, and heterogeneity between study results was explored through stratified analyses.

Influence of weight reduction on blood pressure: a meta-analysis of randomized controlled trials.

Increased body weight is a strong risk factor for hypertension. A meta-analysis of randomized controlled trials was performed to estimate the effect of weight reduction on blood pressure overall and in population subgroups. Twenty-five randomized, controlled trials (comprising 34 strata) published between 1966 and 2002 with a total of 4874 participants were included.