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Have you already abandoned your New Year’s resolution? No need to feel ashamed

Two women with different forms of macular degeneration treated with stem cells, saw improvement within four months, study found

By Arron Frood of Nature magazine Has a cheap and effective treatment for chronic pain been lying under clinicians' noses for decades? Researchers have found that a very high dose of an opiate drug that uses the same painkilling pathways as morphine can reset the nerve signals associated with continuous pain--at least in rats. If confirmed in humans, the procedure could reduce or eliminate the months or years that millions of patients spend on pain-managing prescription drugs

After a major earthquake or flood, people need help but can be hard to find. A new technique--using tracking data from phones to figure out where people have fled to--could make it easier to get them help.

By Geoff Brumfiel of Nature magazine Did the United States organize a fake vaccine campaign in Pakistan to try and ensnare the world's top terrorist? In true spook fashion, the Central Intelligence Agency (CIA) isn't saying, but the rumor alone could set back already fragile vaccination efforts in the troubled nation of 180 million, according to public-health researchers from the region. The story, which first appeared in The Guardian on Monday, alleges that the CIA sent vaccinators into the Pakistani city of Abbottabad in the months before the raid by US special forces that killed Osama bin Laden