• US advisers back experimental obesity pill
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  • Colon cancer study backs blood stool screening test
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  • Punjab: Scores of top cops show-caused
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  • Russian scientists revive 30,000-year-old plants
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  • Butterfly business booming in Colombia
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  • Three US lawmakers received threatening letters: official
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  • Assad forces renew barrage on Syria's Homs
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  • Lindsay Lohan pleases judge on "home stretch" of probation
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  • Plea deal for Pakistani at Guantanamo: report
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  • Chavez surgery rocks Venezuela ahead of election
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