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Mystery solved: Polo ponies probably died of selenium overdose

The 21 polo ponies that dropped dead at the U.S. Open Polo Championship in Wellington, Fla., eleven days ago most likely succumbed to an overdose of selenium, used to help muscles recover after strenuous exercise, the Florida Department of Agriculture and Consumer Services has reported.

April 30, 2009 — Coco Ballantyne

Resuscitation at birth might indicate higher risk for lower IQ

Newborns who needed support breathing—either oxygen or chest pumping—had a higher risk of having a lower IQ by age eight, even if they showed no signs of brain disease or impairment, according to a new analysis published online today in The Lancet .

April 20, 2009 — Katherine Harmon

Can kids become addicted to video games?

Are video games as addictive and damaging to children as gambling is to adults? In a word—yes, according to a new study of nearly 1,200  children aged eight to 18 in the U.S.

April 20, 2009 — Larry Greenemeier

The JAMA saga continues

Two weeks ago, we posted a blog about a case involving a researcher who failed to report ties to the maker of a drug he favorably reviewed in JAMA The Journal of the American Medical Association .

April 15, 2009 — Coco Ballantyne

Statins do not protect against dementia

Cholesterol-busting statins may lower the odds of suffering from a heart attack or stroke, but they don't appear to ward off dementia as researchers had hoped, a new review of clinical trials suggests.

April 14, 2009 — Coco Ballantyne

A new type of painkiller

A new extended-release anesthetic can safely numb body parts for as long as a week, a new study in rats suggests. If the anesthetic has the same effect in humans, it might one day be used to manage chronic and surgery-induced pain, researchers say.

April 14, 2009 — Coco Ballantyne

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial