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PRAGUE, Czech Republic -- A multiple sclerosis patient who has close relatives with the disease is likely to suffer more severely than one without a family history, results of a brain imaging study show.

PHILADELPHIA, Oct. 12 -- Exposure to hazardous fumes and aerosolized heavy metals may put welders at risk of losing olfactory abilities, researchers here said.

SAN FRANCISCO -- Retinal specialists who use Genentech's bevacizumab (Avastin) off-label, instead of ranibizumab (Lucentis), to treat macular degeneration will soon find that their sources for the drug have dried up.

Nearly three-quarters of the respondents to a MedPage Today poll supported action by the FDA to formalize a behind-the-counter drug dispensing category.

BOSTON -- As former smokers age, those who take statins may benefit from a slow-down in the decline of their lung function, according to researchers here.

WASHINGTON -- Republican presidential candidate John McCain unveiled a health plan today that focuses more sharply on reducing costs than providing coverage for the uninsured.

GAITHERSBURG, Md. -- An FDA advisory panel voted unanimously to recommend approval of a zotarolimus-eluting coronary stent made by Medtronic.

BRISBANE, Australia -- Obesity even without reflux disease is associated with six times the risk of developing esophageal adenocarcinoma compared with those of normal weight, researchers here found.

ATLANTA -- On the eve of World Arthritis Day 2007, the CDC has released a snapshot, taken in 2003, of the burden of arthritis in the working world.

BERKELEY, Calif. -- Within days of the Sept. 11, 2001 attacks on the World Trade Center, the number of low-birth-weight babies born in New York City rose significantly, found researchers here.

LEIDEN, The Netherlands -- Young women with estrogen receptor-positive breast cancer may not get as much benefit from chemotherapy as those with estrogen receptor-negative disease, researchers said.

BOSTON -- When androgen deprivation for localized prostate cancer is combined with a radical prostatectomy, the risk of a cardiovascular death appears to more than double, researchers here said.

ANN ARBOR, Mich. -- The addition of paclitaxel (Taxol) to adjuvant chemotherapy may hold little benefit for women with the most common type of lymph node positive breast cancer, researchers found.

NOTTINGHAM, England -- A blood test for tumor antibodies may allow earlier detection of lung cancer, even for node-negative patients, researchers here said.

DUNDEE, Scotland -- Lower-cost running shoes provide as good or better protection for the foot as high-priced shoes, according to investigators here.

SEATTLE -- A low-fat diet may modestly reduce the risk of ovarian cancer among postmenopausal women with a larger benefit than for breast cancer.

ROCHESTER, Minn. -- Close relatives of patients with Parkinson's disease have a significantly increased risk for dementia or cognitive decline compared with the general population, found investigators here.

GENEVA, Switzerland -- Surgery offered the best chance of 10-year survival in localized prostate cancer particularly for those younger than 70 and those with poorly differentiated tumors, according to an observational study.