J Clin Endocrinol Metab. 1997 Oct;82(10):3421-4. Both hypothyroidism and hyperthyroidism enhance low density lipoprotein oxidation. Sundaram V, Hanna AN, Koneru L, Newman HA, Falko JM. Hypothyroidism is frequently associated with hypercholesterolemia and an increased risk for atherosclerosis, whereas hyperthyroidism is known to precipitate angina or myocardial infarction in patients with underlying coronary heart disease. We [...]