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Two studies in the Archives of Internal Medicine suggest short and long-term exposure to air pollution can increase the risk of stroke and cognitive declines. Study author Jennifer Weuve discusses the results, and why particulate matter and gases like ozone may harm the body.

Murdoch tells staff at The Sun, where ten current and former journalists have been arrested in recent weeks, that the paper will roll out a Sunday edition "soon."

NPR's Deborah Amos, who covers the Middle East, ponders the question, "Is a story worth dying for?"

The WHO upheld its guidelines on the safety of hormone injections for contraception yesterday, despite some data that users are at increased risk of HIV transmission. An expert panel says the evidence isn't solid yet, and at-risk couples should use a second method, like condoms, for HIV prevention.

Whether a Congress can be defined as do-something or do-nothing is really in the eye of the beholder. If you judge Congress by its ability to pass landmark legislation or bills that address the real needs of the U.S. population, then you likely won't be giving Congress over the next year high marks for accomplishing much.

Belmont Abbey College alleges that rules requiring no-cost contraceptive coverage for women violate its Catholic mission. The administration has countered that the college's health plan isn't affected by the health law anyway.

Eating on the subway is legal in New York City, but a state lawmaker wants to change that. He says banning food could help control the rat population. The city's transit chief isn't keen on the plan, and not all riders like the idea, either.

Wedged between Russia, Turkey and Iran, the small Central Asian nation of Azerbaijan has long been a magnet for secret agents. Now, as tensions rise over Iran and its nuclear program, the former Soviet republic has been aligning itself with the West and Israel — despite traditional ties with Iran.

Former Pennsylvania senator Rick Santorum gained two endorsements on Friday, including one from Ohio's attorney general who had previously supported Mitt Romney. Santorum and former Massachusetts governor Romney are campaigning in Michigan ahead of its Feb. 28 primary.

The mayor of a small town in France has unconventional idea for economic growth, a theme park to honor Napoleon. With reenactments celebrating Napoleon's victories and defeats, and plans to integrate French Revolutionary history, hopes are that the park could draw tourists from around the world.