Salt - Interesting Facts

Roman soldiers were sometimes paid in salt - which is where the word 'salary' comes from. Difficult to spend it in restaurants today though.
Every cell in the body contains salt - an adult contains about 250 grammes, equivalent to a box of Maldon Salt.
In old Japanese theatres, salt was sprinkled on to the stage before each performance to prevent evil spirits from casting a spell on the actors. Sprinkling salt around your home may have the same effect today.
Salt is used to remove traces of water from aviation fuel after it is purified.
At one time salt bars were the standard currency of Ethiopia. It’s still worth taking a pack of Maldon, for emergencies.
Salt was used to preserve Egyptian mummies (and in the pies eaten by Egyptian daddies).
Salt removes red wine stains (though probably not from your best cream carpet).
Sodium is key in the operation of all signals within, as well as to and from, the brain.