Salt - Navo

• Common salt is a mineral substance composed primarily of sodium chloride (NaCl), a chemical compound.
• Salt is produced from salt mines or by the evaporation of seawater or mineral-rich spring water in shallow pools.
• Some of the earliest evidence of salt processing dates to around 6,000 years ago, when people living in Romania were boiling spring water to extract the salts; a salt works in China has been found which dates to approximately the same period.
• While people have used canning and artificial refrigeration to preserve food for the last hundred years
• Salt is present in vast quantities in the sea where it is the main mineral constituent, with the open ocean having about 35 grams (1.2 oz) of solids per litre, a salinity of 3.5%.
• Too much sodium in the diet raises blood pressure and may increase the risk of heart attacks and strokes.
• The World Health Organization recommends that adults should consume less than 2,000 mg of sodium which is equivalent to 5 grams of salt per day.