An article appearing on January 16, 2019 in the American Journal of Physiology–Renal Physiology reported that deficient zinc levels may contribute to high blood pressure by promoting sodium re-absorption by the kidneys. Zinc deficiency is common in many chronic diseases and can worsen hypertension. However, it had not been known whether zinc deficiency alone could impact blood pressure. In the current study, the researchers fed 20 mice diets that contained adequate amounts of zinc for two weeks, after which 15 animals were given zinc deficient diets for five to six weeks. Five of these deficient animals were subsequently returned to diets that provided […]