Grill a tomato (18 cals) on top instead of adding ketchup, and you're also cutting your sodium intake.

The serotonergic system influences water and sodium intake.

They found that reducing sodium intake by 1.2 g/day reduced the number of people needing anti-hypertension treatment by 50%.

Patients with severe disease should restrict their sodium intake to 2 grams per day and limit fluid as well.

They also noticed a direct relationship between sodium intake and ventricular hypertrophy, an increase in the mass of the left ventricle of the heart.