Scientists suggest we may add extra salt to our food because it boosts our mood, even though we know too much is bad for us.
Watch out ! I believe there's an agenda here. I've to found references but here, in France, we have a professor who had written a book about the salt over consumption thought alimentary industry and so get a trial by this industry to try to ban his work.
However there's a warning at the end of the text :
But a spokesman for Consensus Action on Salt and Health (CASH), which campaigns to raise awareness about the health risks of eating too much salt, said: "Our bodies need a very small amount of salt to function, but nothing like the quantities that most of us eat.
http://www.sott.net/articles/show/178817-Salt-is-natural-mood-booster-