Kitchen salt is a kind of mineral that can make salt taste. Usually commonly available salt in general is sodium chloride produced by sea water. Salt in its natural form is a crystal mineral known as a salt or halite.
Salt is needed by the human body, but when consumed in excess can cause various diseases, including high blood pressure hypertension. In addition salt is also used to preserve food and as a spice. To prevent mumps, salt is also often added iodine for health for the body.
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From @jariah