Macro partitioning
In men aged 45-55, higher intake of total fat and monounsaturated fatty acids is significantly associated with increased 16-year incidence of coronary heart disease, independent of traditional risk factors.
For men in their 40s and 50s, reducing total fat and monounsaturated fat intake, particularly from animal sources, is associated with a lower risk of heart disease over 16 years. This benefit appears independent of cholesterol levels. Aim to align with National Cholesterol Education Project guidelines, which suggest lower total fat (around 30% of energy) and saturated fat (around 10% of energy), as these levels were linked to significantly reduced CHD risk in this demographic.
In the younger cohort, there were significant positive associations between the incidence of CHD and the proportion of dietary energy intake from total fat and monounsaturated fatty acids.
Why this rating
Longitudinal cohort study with 16-year follow-up and adjustment for multiple confounders, though observational design limits causal inference.
Source
Dietary Lipid Predictors of Coronary Heart Disease in Men
Barbara M. Posner · Archives of Internal Medicine · 1991
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