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SEATTLE -- Interdisciplinary primary care using condition-specific protocols improved health and functioning of low-income seniors, researchers reported here.

OULU, Finland -- Tonsillectomy is an effective remedy for adults with recurrent bouts of group A streptococcal pharyngitis, according to researchers here.

SEATTLE -- Gastric acid suppression with proton pump inhibitors appears to hold no excess risk of pneumonia in hospitalized older adults, researchers reported here.

ZURICH -- Wearing protective clothing is better than using sunscreens to prevent skin cancer and hold off the aging effects of solar rays, said investigators here.

SEATTLE -- Light, physical activity and other non-drug therapies may be as effective against insomnia in the elderly as pharmacologic interventions, researchers said here.

OTTAWA, May 3 -- The risk of heart disease increases in the presence of a common genetic variation carried by about 20% of Caucasians, according to two reports published online today in Science.

BOSTON -- Women who took estrogen before age 65 may not be at a higher risk of later dementia, as previously reported, said investigators here.

BOSTON -- Migraine headaches among veterans of combat in Iraq indicate a more than twofold risk for depression, post-traumatic stress disorder, and anxiety, reported military researchers.

BOSTON -- Heavy drinking takes a toll on brain size, with a shrinking effect equivalent to about one to two years of brain aging for every higher level of alcohol consumption.

STOCKHOLM -- The risk of testicular cancer can be reduced if surgery for undescended testicles takes place before puberty, according to researchers here.

SAN FRANCISCO -- A successful once-a-year drug to treat postmenopausal osteoporosis, even though administered by an IV infusion, may be welcomed by women who dislike a weekly or monthly pill, researchers here reported.

BOSTON -- Even amateur boxers risk brain damage from repeated blows to the head during a single fight, Swedish researchers reported here.

ATLANTA -- Cavities are on the increase among the pre-school set, indicates a report from CDC.

BOSTON -- Long-term exposure to second-hand smoke may be a risk factor for dementia in the presence of subclinical carotid artery disease, said investigators here.

COLUMBUS, Ohio -- The expression patterns of short strands of RNA may allow physicians to distinguish between pancreatic cancer and pancreatitis, researchers here say.

BOSTON -- Some veterans of the first Gulf War are only now starting to show functional and structural brain changes that may be related to wartime exposures to neurotoxic substances, according to a small study.

SHEFFIELD, England -- Pentoxifylline (Trental) does not appear effective as a first-line therapy against recurrent aphthous stomatitis, but the drug may be useful as second-line therapy.

LEUVEN, Belgium -- Epidermal-growth-factor receptor (EGFR) antibodies used for colorectal cancer treatment led to magnesium wasting for nearly all patients, according to a small study here.