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To your health: salt and stem cells

May 17, 2013

The evidence on benefit from severely cutting salt intake doesn’t hold up. Most of us seem to have kidneys that control our electrolyte balance, given a range of consumption. That said, the amount in typical American diets is at the other end of the range. And there now is evidence that high-salt diets may promote auto-immune disease. It seems Aristotle was right.

Scientists in Oregon have cloned human embryos through the blastocyte stage, via somatic-cell nuclear transfer. This allows the creation of stem cells genetically identical to the donor. Though there is a lot of research now with induced pluri-potent stem cells, it’s not clear that these two are equivalent. In research, as in other areas, it’s good to have choices. One path or the other should lead to significant advances in regenerative medicine.

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