Our brains have chemical pathways that make us feel good when we eat, and really good when we eat sweet or fatty foods with high calories. Scientists see these same chemical pathways used in cases of drug addiction.
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In exile since 2008, former Pakistani President Pervez Musharraf has announced his return to politics with the launch of a new political party and a potential run for the presidency. Here, he addresses members of the British Pakistani community in Birmingham in October.
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Experts say it's nearly impossible to address U.S. fiscal problems without coming to terms with Medicare. The program provides coverage to 47 million Americans, consumes 12 percent of the federal budget and accounts for $1 of every $5 spent on health care each year. Its future includes 78 million baby boomers.
Aaron Hofer, 27, of Bayou La Batre, Ala., has been largely out of work since the BP oil spill. The Iraq veteran and fourth-generation shrimper says if it wasn't for his children, he probably would have already committed suicide.
Job applicants stand in a snaking line in Hanahan, S.C., in April 2009 as they wait to get into a job fair. A short-term extension of jobless benefits for some 2 million long-term unemployed expired at midnight Tuesday as Democrats and Republicans in Congress failed to agree on how those benefits should be further extended.
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Rabbi Joshua Metzger, his wife Brocha, and their children Menachem Mendel and Sarah Perel stand by a menorah on the first night of Hanukkah in 2005, which fell on Christmas Day.
Marvin Miller (right), shown here at a 1976 press conference, served as executive director of the Major League Players Association from 1966 to 1982. Miller has been passed over several times by the Baseball Hall of Fame. A group of former players has started a website honoring Miller.