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ROCHESTER, Minn. -- Women with atypical hyperplasia in three or more places in the breast have a sharply increased risk of developing breast cancer, researchers here said.

BOSTON -- Excess deaths from the heat of global warming will not be counteracted by a corresponding drop in cold-related mortality, investigators here estimated.

NEWCASTLE UPON TYNE, England -- Cerebral palsy does not impair children's perception of their quality of life unless they are in pain, researchers found.

INNSBRUCK, Austria -- A novel treatment to relieve stress incontinence in women, strengthening the urinary rhabdosphincter with cultured autologous tissue, has panned out.

PORTLAND, Ore. -- Non-smokers who worked in bars and restaurants where smoking was allowed had significantly higher levels of a tobacco-specific carcinogen than those who worked where the air wasn't tainted.

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.

CHICAGO -- The American Medical Association wants third-party payers to put the brakes on pay-for-performance initiatives until there is evidence that such plans benefit patients.

CHICAGO -- The American Medical Association has decided not to soften its 1995 position that it is unethical to patent surgical procedures.

PHILADELPHIA -- Children with complex chronic conditions are more likely to die at home today than they were two decades ago, researchers here said.

INDIANAPOLIS -- Polypharmacy represents a potential problem for patients of any age, but it can be managed safely through diligence on the part of caregivers and patients.

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.

INDIANAPOLIS -- Pregabalin (Lyrica) just became the first medication approved by the FDA for fibromyalgia-related pain, but it may not work for everyone, so older treatments may still be useful.

NEW HAVEN, Conn. -- Childhood obesity can be overcome by an intensive family-based program that includes supervised exercise and nutrition education, found researchers here. But dieting wasn't the answer.

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.

SEATTLE -- Severe diastolic dysfunction tops all other echocardiograhic measures as a post-MI prognostic marker, investigators reported here.

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

INDIANAPOLIS -- Emerging evidence suggests that cephalosporins without a beta-lactam side chain may be safely used in patients with known allergies to penicillin.