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Mate Selection: How Does She Know He'll Take Care Of The Kids
Throughout the animal kingdom brilliant colors or elaborate behavioral displays serve as "advertisements" for the process of attracting mates. But, what do the ads promise and is there truth in advertizing? Researchers at Yale theorize that when males must provide care for the survival of their offspring, the males" "advertisements" will always be honest - and they may devote more of their energy to caring for their offspring than to attracting females.
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Meeting To Examine Human Behavior And The Threat Of Disease
As swine flu spread from Mexico to Texas and then fanned out farther in the United States, Americans began to alter their behavior. Families kept children home from school, postponed trips to the mall, and stayed home instead of eating out. In so doing, the American population may have inadvertently altered the behavior of the pathogen itself.
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Statutory Regulation Of Practitioner Psychologists, UK
A Decade-Long campaign by the British Psychological Society to have statutory regulation for practitioner psychologists comes to fruition.
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Does Preoperative Biliary Drainage Influence The Outcome Of Resectional Surgery For Ampullary Carcinoma?

A research article published in the World Journal of Gastroenterology addresses this question. This is believed to be the first study to investigate the effect of PBD in ampullary cancer. A team of gastroenterologists led by Dr Steven Joseph Mesenas and hepatobiliary surgeons at Singapore General Hospital divided 82 patients with ampullary cancer planned for surgical resection into those with PBD (n = 35) and those without (n = 47). The authors looked into various outcomes after surgery, such as pancreatic leakage, wound infection, bile leakage, infectious morbidity, intra-abdominal or gastrointestinal bleeding, intra-abdominal abscess, delayed gastric emptying and mortality. They found that the PBD group had a significantly reduced wound infection rate compared to the non-PBD group. More studies should be conducted to assess this benefit, especially in ampullary cancer patients. Reference: Abdullah SA, Gupta T, Jaafar KA, Chung YFA, Ooi LLPJ, Mesenas SJ. Ampullary carcinoma: Effect of preoperative biliary drainage on surgical outcome. World J Gastroenterol 2009; 15(23): 2908-2912 http://www.wjgnet.com/1007-9327/15/2908.asp Correspondence to: Dr. Steven Joseph Mesenas, Department of Gastroenterology and Hepatology, Singapore General Hospital, Outram Road 169608, Singapore. Lin Tian World Journal of Gastroenterology


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