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ROCKVILLE, Md. -- The FDA has approved a bifocal LASIK approach in which one eye will be treated for myopia and the other presbyopia.

BOULDER, Colo. -- With practice, people can learn to suppress emotional memories, researchers here found.

CALGARY, Alberta -- An elastic neoprene sleeve may be just as good as a hard knee brace for most patients returning to sports after anterior cruciate ligament (ACL) surgery, researchers found.

VANCOUVER, British Columbia -- Jogging through the woods during a thunderstorm, not a good idea in the first place, can be made still riskier by using an iPod at the same time, reported investigators here.

ADELAIDE, Australia -- Once again, hormone replacement therapy started a decade or more past menopause has been found to increase the risk for cardiovascular and thromboembolic events, with no significant benefits in return.

WHITE PLAINS, N.Y. -- Nearly nine out of 10 infants are screened at birth for at least 21 life-threatening disorders -- more than twice as many as in 2005 -- thanks to an expansion of state-required testing programs.

HAIFA, Israel -- Breast cancer survival was similar among carriers and noncarriers of BRCA1 and BRCA2 mutations in an Israeli study in which 10% of Ashkenazi women had such a susceptibility mutation, researchers reported.

BALTIMORE -- An astonishing doubling in American obesity took place in the two decades after the nation's bicentennial, epidemiologists reported.

BOSTON -- A lack of vitamin D and calcium in the diet may increase the risk for the metabolic syndrome and type 2 diabetes in patients with impaired glucose tolerance, nutrition researchers found.

LORENSKOG, Norway -- B-type natriuretic peptides have earned a new vote of confidence as a prognostic biomarker for low-risk patients with stable coronary disease.

PITTSBURGH -- The risk of developing diabetes decreased 38% among rheumatoid arthritis patients taking the antimalarial drug hydroxychloroquine (Plaqueril), according to a preliminary study.

SAN FRANCISCO -- A drug already approved as a smoking-cessation aid might also have a role in the treatment of alcohol dependence, if results achieved in animals carry over to humans.

PHILADELPHIA -- Not only did prophylactic antibiotic therapy fail to reduce recurrence of urinary tract infections in young children, it was linked to an increase in resistant infections.

EAST HANOVER, N.J. -- The FDA has approved a rivastigmine transdermal patch for mild to moderate Alzheimer's disease, Novartis announced here.

PHILADELPHIA -- Half of otherwise healthy children and adolescents in the northeastern United States don't get enough vitamin D, researchers found.

LOS ANGELES -- Cigarette, pipe, and cigar smoking, and chewing tobacco as well, were all associated with a lower risk for Parkinson's disease in an analysis of pooled data from 11 studies.

SYDNEY, Australia -- Cataracts and age-related macular degeneration in middle-age may be warning signs of a higher mortality risk for those younger than 75, researchers suggested.

ROCHESTER, New York -- Somnolence, edema, and hallucinations in patients with early-stage Parkinson's disease may be related as much to co-morbid disease and other factors as they are to medication.