| UPDATED: 15:47, Sun, Jan 31, 2021
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The only way to keep track of your blood pressure is to get it measured using a sphygmomanometer. This is what doctors use when they cuff a strap around your upper arm, which squeezes tightly. This machine is also available to buy online for home use. The charity Blood Pressure UK said: "Eating too much salt is the single biggest cause of high blood pressure." If you'd like to avoid high blood pressure, or perhaps you know you need to lower yours, you need to lower your salt intake, but how?