Salt has played a vital part in religious ritual in many cultures, symbolising purity. There are more than 30 references to salt in the Bible, including the well-known expression "salt of the earth". In many cultures, offering bread and salt to visitors is traditional etiquette.
Our body needs about 100 grams of salt for every 40 kilos of weight.
There is about 35 grams of salts (mostly, sodium chloride) in a litre of seawater.
According to recent scientific findings, many salt deposits were discovered on Mars.
Sodium is key in the operation of all signals within the cells, as well as to and from, the brain.
France has always been a major producer of salt and the “gabelle”- the tax on salt – often came in discussion.