SAN ANTONIO -- Regular physical activity during midlife is linked to a reduced risk of brain infarcts years later, particularly in men, a study shows.

CALGARY, Alberta -- For refractory lateral epicondylitis, arthroscopic release surgery has been shown in 130-month results of a 30-patient study to get a majority of tennis players back on the court.

DUBLIN -- For esophageal-cancer patients, a node-negative status after neoadjuvant chemoradiation is the best predictor of the outcome of surgery, researchers here found.

SAN ANTONIO -- The fewer teeth someone has in middle age, the greater the risk seems to be for dementia later in life, data from an ongoing study of women's health suggest.

WORCESTER, Mass. -- More than 12 million hospitalized patients, 31% of U.S. hospital discharges in 2003, were at risk of venous thromboembolism, researchers reported.

SAN ANTONIO -- Mild impairment of the executive function domain of cognition may represent an early marker of an increased stroke risk, according to data from the Framingham Study.

WASHINGTON -- The lifespan for patients with scleroderma has increased significantly since the 1970s, in large measure because of a decline in deaths from renal disease.

NIJMEGIN, The Netherlands -- In advanced colorectal cancer, combination chemotherapy did not significantly improve overall survival over the sequential use of the same drugs, according to two randomized trials.

BRUSSELS, Belgium -- Drug prescribing for elderly patients is missing even a semblance of evidence-based guidance, constituting a worldwide public-health problem, said international researchers.

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.

COLLEGE PARK, Md. -- The FDA won't rule out the possibility that tomatoes are cancer-fighters, but it considers the evidence supporting that claim to be exceedingly flimsy.

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.