The sodium chloride a person takes in accumulates for their whole life, hardening the arteries. We need flexible arteries to withstand the beating of the heart.
In the 21st Century, the trap is most processed food contains salt, in most cases, lots of salt - sometimes we don't even notice it. There is a significant amount of salt in, for instance, cornflakes. My favourite example is the fact that there is more salt in the bread than in the vegemite you spread on it - and yet we hardly taste the salt in the bread.
So our habit of the week is check on the amount of salt in the packets, tins or processed food you buy from the supermarket. By the way, it may be called sodium. Hey better yet - make your own food.
Note that we do need particular minerals, calcium, iron magnesium, manganese etc.
Drink lots of water
Some people believe that lack of salt causes muscle cramp. Rosemary Stanton says in "Eating for Peak Performance" that being dehydrated may cause cramps.
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