PubMed · 710897
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S Kent. 1978. Does exercise prevent heart attacks?. https://pubmed.ncbi.nlm.nih.gov/710897/
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Insulin resistance and consecutive hyperinsulinemia in individuals with the metabolic syndrome are associated with dyslipidemia. This latter is characterised by hypertriglyceridemia and a diminishment of high-density lipoprotein (HDL) cholesterol in the plasma. In severe forms of insulin resistance, low density lipoprotein (LDL) cholesterol may also be elevated. Hypertriglyceridemia is due to an increase in the rate of synthesis of very low density lipoproteins (VLDL) in the liver, and a reduction in their breakdown by the lipoprotein lipase in non-hepatic tissue. Changes in VLDL metabolism are associated with a reduction in HDL concentrations. In addition, direct effects of insulin on the lipid metabolism have been described. Changes in lipid metabolism due to insulin resistance and hyperinsulinemia may be of significance for the atherosclerosis risk in patients with the metabolic syndrome.
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