Common salt is a mineral substance composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of ionic salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.
The main ingredient in salt is sodium, a mineral our body needs to maintain a normal fluid balance. But too much sodium can lead to high blood pressure, which increases the risk for heart attack and stroke. Most of us eat more sodium than we need. Healthy adults should have no more than 2,300 mg of sodium each day. That’s one teaspoon of table salt. .
The amount you need is actually much less as the table below shows: Age Sodium (mg) 1-3 1000 4-8 1200 9-18 1500 19-50 1500 51-70 1300 71+ 1200
Salt is present in vast quantities in the sea where it is the main mineral constituent, with the open…
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