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.
A fat tummy shrivels your brain
‘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."
Factbox: U.S. guns laws among the most permissive in world
The 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.
Rocky exoplanet milestone in hunt for Earth-like worlds
Astronomers 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".
In WikiLeaks fight, U.S. journalists take a pass
Not 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.
As Arctic melts, U.S. ill-positioned to tap resources
Like 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.
Why the CIA is spying on a changing climate
Last 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.
Israel destroys East Jerusalem hotel for settlements
Israeli 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.
How can a gun crazed nation lead the world?
According to a 2007 survey, the United States leads the world in gun ownership: 90 guns per 100 people. We are a country with five percent of the world's people and between 35 and 50 percent of its civilian-owned guns. That's something like 270 million weapons.
Repeated studies have shown that the United States is far and away the leader among the world's developed countries in gun violence and gun deaths. There is no other developed country that is even close. Over 30,000 Americans die every year from gun violence. Most of these are suicides but in excess of 12,000 a year are homicides. Another 200,000 Americans are estimated to be injured each year due to guns.
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