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Nowadays, salt is produced by [[evaporation]] of [[seawater]] or [[brine]] from other sources, such as brine wells and [[salt lake]]s, and by mining rock salt, called halite.
While most people are familiar with the many uses of salt in [[cooking]], they might be unaware that salt is used in a plethora of applications, from [[manufacturing]] pulp and paper to setting dyes in textiles and fabric, to producing [[soap]]s and [[detergent]]s. In the northern USA, large quantities of rock salt are used to help clear highways of ice during winter
[[Image:Salt mine
===Flavour enhancer===▼
0096.jpg|thumb|300px|left|Rock salt
Salt is commonly used as a [[flavour enhancer]] for [[food]] and has been identified as one of the [[basic tastes]].▼
mine in western New York]]
▲Salt is commonly used as a [[
Ironically, given its history, this has resulted in large sections of the developed world ingesting salt massively in excess of the required intake, particularly in colder climates where the required intake is much lower.
This causes elevated levels of [[blood pressure]] in some, which in turn is associated with increased risks of [[myocardial infarction|heart attack]] and [[stroke]].
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