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SÃO PAULO, Brazil -- Men with systemic lupus erythematosus, especially those who begin treatment with intravenous cyclophosphamide after puberty, are at risk for sperm abnormalities associated with infertility.

SAN FRANCISCO -- The rate of methicillin-resistant Staphylococcus aureus in U.S. hospital patients is now nearly 5% -- dramatically higher than previously thought, according to a nationwide survey of healthcare facilities.

AMSTERDAM -- Children who survive childhood cancer -- especially those who had radiation therapy -- grow up to an increased risk of later adverse effects, researchers here said.

CHICAGO -- This special report from Greg Laub, MedPageToday videographer, gives a sense of the proceedings at the 2007 Annual Meeting of the AMA House of Delegates, with a debate regarding the sale of physician data from AMA's Physician Masterfile to pharmaceutical companies that use the data to compile physician prescribing data.

TORONTO -- A year after recovering from severe acute respiratory syndrome (SARS), most people were physically well but still suffering psychological distress, researchers here said.