title: Taking a closer look at niacin's effects on heart health.  Studies question the usefulness of raising HDL cholesterol with niacin.
mesh_terms: D002784:Cholesterol; D008076:Cholesterol, HDL; D008078:Cholesterol, LDL; D006801:Humans; D009525:Niacin
chemical_list: D008076:Cholesterol, HDL; D008078:Cholesterol, LDL; D009525:Niacin; D002784:Cholesterol