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Thursday, Jul 03rd

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Lies, Damned Lies, and Medical Science

Dr. John IoannidisMuch of what medical researchers conclude in their studies is misleading, exaggerated, or flat-out wrong. So why are doctors—to a striking extent—still drawing upon misinformation in their everyday practice? Dr. John Ioannidis has spent his career challenging his peers by exposing their bad science.

But beyond the headlines, Ioannidis was shocked at the range and reach of the reversals he was seeing in everyday medical research. “Randomized controlled trials,” which compare how one group responds to a treatment against how an identical group fares without the treatment, had long been considered nearly unshakable evidence, but they, too, ended up being wrong some of the time. “I realized even our gold-standard research had a lot of problems,” he says. Baffled, he started looking for the specific ways in which studies were going wrong. And before long he discovered that the range of errors being committed was astonishing: from what questions researchers posed, to how they set up the studies, to which patients they recruited for the studies, to which measurements they took, to how they analyzed the data, to how they presented their results, to how particular studies came to be published in medical journals.

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A fat tummy shrivels your brain

HAVING a larger waistline may shrink your brain.

Obesity is linked to an increased risk of type 2 diabetes, which is known to be associated with cognitive impairment. So Antonio Convit at the New York University School of Medicine wanted to see what impact obesity had on the physical structure of the brain. He used magnetic resonance imaging to compare the brains of 44 obese individuals with those of 19 lean people of similar age and background.

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‘Humor writer’ names Olbermann a ‘target’ after Giffords shooting

A self-described humorist named a liberal cable news host a "target" on her blog the day after he denounced incendiary political rhetoric in response to an Arizona shooting that claimed the lives of six people, including a federal judge, a congressperson's aide, and a child.

Andrea Rouda's post entitled “Speaking of Target Practice” listed several historical figures who were murdered "by a crazy person" before naming MSNBC's Keith Olbermann, whom she referred to as "the Devil."

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Factbox: U.S. guns laws among the most permissive in world

US gun laws most permissive in worldThe Arizona assassination attempt on Rep. Gabrielle Giffords has focused attention on U.S. gun laws, which are among the most permissive in the developed world. Here are some of the key federal and state laws:

* CONSTITUTION:: The Supreme Court in a key ruling in 2008 supported the right of individual Americans to own guns for self defense. Gun owners, represented by the powerful National Rifle Association, have jealously guarded this right and opposed any proposed law they see as diluting it.

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Rocky exoplanet milestone in hunt for Earth-like worlds

Rocky exoplanet milestone in hunt for Earth-like worldsAstronomers have discovered the smallest planet outside our solar system, and the first that is undoubtedly rocky like Earth. Measurements of unprecedented precision have shown that the planet, Kepler 10b,has a diameter 1.4 times that of Earth, and a mass 4.6 times higher.

However, because it orbits its host star so closely, the planet could not harbour life. The discovery has been hailed as "among the most profound in human history".

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In WikiLeaks fight, U.S. journalists take a pass

US journalists ignore AssangeNot so long ago, WikiLeaks founder Julian Assange could count on American journalists to support his campaign to publish secret documents that banks and governments didn't want the world to see.

But just three years after a major court confrontation that saw many of America's most important journalism organizations file briefs on WikiLeaks' behalf, much of the U.S. journalistic community has shunned Assange — even as reporters write scores, if not hundreds, of stories based on WikiLeaks' trove of leaked State Department cables.

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As Arctic melts, U.S. ill-positioned to tap resources

Arctic polar bearsLike the rest of the 2.5-million-square-foot area at the top of the world, this chunk of the U.S. Arctic is melting quickly because of accelerated climate change. The prospect of newly thawed sea lanes and a freshly accessible, resource-rich seabed has nations jockeying for position. And government and military officials are concerned the United States is not moving quickly enough to protect American interests in this vulnerable and fast-changing region.

"We're not doing OK," said Lt. Cmdr. Nahshon Almandmoss as he flew the massive plane on the nine-hour flight from Kodiak to the northern border then down along the coast through the Bering Strait.

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Why the CIA is spying on a changing climate

Why the CIA is spying on a changing climateLast summer, as torrential rains flooded Pakistan, a veteran intelligence analyst watched closely from his desk at CIA headquarters just outside the capital. For the analyst, who heads the CIA's year-old Center on Climate Change and National Security, the worst natural disaster in Pakistan's history was a warning.

"It has the exact same symptoms you would see for future climate change events, and we're expecting to see more of them," he said later, agreeing to talk only if his name were not revealed, for security reasons.

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Israel destroys East Jerusalem hotel for settlements

Hotel demolished in E. JerusalemIsraeli bulldozers have demolished part of a hotel in East Jerusalem to make way for 20 homes for Jewish settlers. The destruction of the Shepherd Hotel has angered Palestinians, who want East Jerusalem as the capital of a future Palestinian state.

The Palestinian leadership said Israel was destroying any chance of returning to peace. The US called the demolition a "disturbing development". Israel says it has a right to build homes in any part of the city.

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