Additionally, the scholarly research reported that individuals select their sexual/drug-using partners predicated on similarity in HIV-positive status, age, competition/ethnicity, homelessness, bisexual orientation, the real number of casual sex partners and protective sex behavior. ‘This phenomenon, called 'homophily', is really because its network members look for associates with the same practice or belief,’ said Fujimoto.Dr. Hanson said the CMA would like to see Canadians receive even more opportunities to attend medical school. ‘We wish international graduates,’ he stated, ‘but we don’t wish to be dependent on them.’ The survey demands Canadian medical institutions to supply at least 80 percent of the country’s practicing doctors by 2015.. COPD turns into third leading cause of death in the U.S. The Centers for Disease Control and Prevention’s National Middle for Health Figures released a written report today, ‘Deaths: Preliminary Data for 2008,’ confirming that Chronic Obstructive Pulmonary Disease became the third leading cause of death in the U.S.