The Prevalence of Vitamin D Deficiency Is Similar between Thyroid Nodule and Thyroid Cancer Patients.

Introduction. There are reported associations between vitamin D deficiency and breast, prostate, and colon cancer, but the relationship in thyroid cancer has not been evaluated. Methods.

Effects of omega-3 fatty acids on heart rate in cardiac transplant recipients.

Omega-3 fatty acid (n-3 FA) consumption has been linked to reductions in the risk of death from coronary heart disease and, recently, to lower heart rates (HRs). The investigators previously observed a reduction of 5 beats/min in HR in patients with coronary heart disease given n-3 FAs (eicosapentaenoic acid and docosahexaenoic acid) for 4 months. Reductions in HR may be explained by enhanced vagal tone, influences on cardiac voltage-gated ion channels, or both.