A high salt intake is a major cause of renal stones and also of osteoporosis/osteopenia in humans.

When bones are weakened by osteoporosis/osteopenia we tend to think of calcium and of drugs to help with the problem, but what about cutting down on salt? This also helps with renal stones.

See this extremely interesting information: World Action on Salt and Health (WASH)

Look at this amazing quotation from the website:

"It was calculated that a modest reduction in salt intake from 10g to 5g would have the same effect on hip bone density as an increase in calcium intake of 1000mg, a difficult amount to achieve without resorting to supplements."

And this:

"Diuretics, through a reduction in extra cellular volume, reduce calcium excretion leading to a positive calcium balance, increase bone density and reduce bone fractures."