Irish Times | Heart risk higher at highest, lowest salt intake levels Tehran Times The relationship between sodium intake and a composite of cardiovascular death, MI, stroke, and heart failure hospitalization was J-shaped, with elevated risks associated with consumption of more than 8000 mg and less than 3000 mg per day, according to ... Too Little Salt May Increase Heart Risk High-Salt Diet Raises Heart Risks, Study Confirms Diet High or Low in Sodium Injurious to Heart |