Limit salt and other sources of sodium in your diet by not adding salt to foods when cooking or eating, ordering unsalted foods at restaurants, and buying low-sodium foods.

Objective To study the effects of low sodium diet on the concentration of endothelin in patients with salt sensitive hypertension and salt resistive hypertension.

Previous studies had suggested that following a low-sodium diet may help improve asthma control, but researchers now say that advice should be taken with a grain of salt.