Tag: sodium

Would Simple Star Ratings for Food Help People Eat Healthier?

By Valerie Ross | October 21, 2011 4:12 pm

Even when you’re trying to eat healthy foods, it can be hard to know what to buy: Few us have the time to decipher the nutrition facts on every item we’re considering at the grocery store, and the dizzying number of health claims plastered on labels make the task, if anything, more confusing. The Institute of Medicine offered a possible solution in a report released yesterday: put a simple, standardized rating—zero to three stars or checkmarks—on every food package.

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CATEGORIZED UNDER: Health & Medicine

Sodium Spurs a Tadpole to Regenerate Its Tail

By Andrew Moseman | September 29, 2010 11:59 am

TadpoleTailIf a young tadpole loses its tail, no problem—it can grow a new one. Biologist Michael Levin and his team experimented with this amphibian talent, and they say they found the signal that triggers the regeneration: sodium. If scientists can find the trigger in tadpoles, perhaps someday they could find triggers for other species. Maybe even humans.

By using drugs to prompt a flood of sodium ions into injured nerve cells, biologists from Tufts University were able to regenerate severed tadpole tails — complex appendages containing spinal cord, muscle and other tissue. [LiveScience]

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CATEGORIZED UNDER: Health & Medicine, Living World
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