Endothelium-dependent vasodilation in the brachial artery is impaired in smokers: effect of vitamin C.

Cigarette smoking has been shown to cause endothelial dysfunction. To examine the effects of vitamin C and cigarette smoking on endothelium-dependent vasodilation, we measured the lumen diameter and flow velocity…

Continue ReadingEndothelium-dependent vasodilation in the brachial artery is impaired in smokers: effect of vitamin C.

Vitamin C Improves Endothelial Dysfunction of Epicardial Coronary Arteries in Hypertensive Patients.

Background There is evidence for increased formation of free radicals in patients with hypertension, raising the possibility that NO is inactivated by free radicals, which impairs coronary endothelial function. Therefore,…

Continue ReadingVitamin C Improves Endothelial Dysfunction of Epicardial Coronary Arteries in Hypertensive Patients.

Vitamin C improves endothelial function of epicardial coronary arteries in patients with hypercholesterolaemia or essential hypertension?assessed by cold pressor testing.

Aims There is evidence that formation of free radicals increases in patients with hypertension or hypercholesterolaemia, which may contribute to endothelial dysfunction of epicardial coronary arteries due to inactivation of…

Continue ReadingVitamin C improves endothelial function of epicardial coronary arteries in patients with hypercholesterolaemia or essential hypertension?assessed by cold pressor testing.

Serum Vitamin B12, C and Folate Concentrations in the New Mexico Elder Health Survey: Correlations with Cognitive and Affective Functions.

Objectives: 1) To compare serum vitamin B12, C and folate concentrations in a randomly selected sample of elderly (age 65 years or older) male and female Hispanics and nonHispanic whites…

Continue ReadingSerum Vitamin B12, C and Folate Concentrations in the New Mexico Elder Health Survey: Correlations with Cognitive and Affective Functions.