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MADISON, Wis. -- Symptoms of autism, including maladaptive behaviors and impaired social interactions, appear to lessen over time in a significant percentage of patients studied over nearly five years.

ANN ARBOR, Mich. -- The reason that opioids seem to fizzle for fibromyalgia may be because of reduced receptor activity in regions of the brain that process and dampen pain signals, researchers here found.

ELIZABETH, N.J. -- Nearly two dozen illnesses from frozen hamburgers apparently tainted with Escherichia coli O157:H7 have prompted a meat company to recall more than 300,000 pounds of beef.

TORONTO -- Stopping heavy drinking can significantly reduce the risk of esophageal and head-and-neck cancers, primarily squamous-cell carcinomas, researchers here said.

VALENCIA, Spain -- Capsule endoscopy diagnosed more patients with Crohn's recurrence after surgery than did colonoscopy and was better tolerated, researchers in Spain reported.

BOSTON -- In blood glucose responses to a white bread challenge, individual patients have significant variations from test to test, said investigators here.

ROCHESTER, NY-Breast cancer patients with a history of traumatic or stressful life events have a significantly increased risk of recurrent disease, investigators here have found.

It doesn't seem to matter whether the alcohol comes in the form of beer, wine, or spirits. . . when it comes to breast cancer, women who consume 3 or more drinks a day are at significantly greater risk for this disease.

BOSTON -- When a patient dies during a "code call" in the hospital, the residents, nurses, and technicians who responded to the emergency might stop for just a moment and pay respects to the life that was lost, suggested a Harvard internist.

BARCELONA, Spain -- The addition of trastuzumab (Herceptin) to chemotherapy before surgery appears to allow more women with HER-2 positive inflammatory breast cancer to achieve a complete disease response than does chemotherapy alone.

BARCELONA -- Monitoring circulating tumor cells in women with breast cancer may be help guide treatment and refine prognoses, according to preliminary data from German investigators.

BARCELONA, Spain -- An investigational drug that blocks key cancer growth messages appears to give patients with metastatic hormone resistant prostate cancer an extra six months' survival.

OAKLAND, Calif. -- An immunochemistry test for fecal occult blood is significantly more accurate in detecting left-sided colorectal cancer than conventional testing, investigators here reported.

DENVER-A higher intake of omega-3 fatty acids found in fish was linked to a lower risk of pancreatic islet autoimmunity in children at genetic risk for type 1 diabetes, according to a preliminary study.

NEW YORK -- Proton magnetic resonance (MR) spectroscopy may eliminate 68% of biopsies for benign non-mass breast lesions found on standard MR imaging (MRI) without missing any cancers.

CHAPEL HILL, N.C. -- A sensitive sign of the early stages of Alzheimer's disease may be dampening of activity in the posteromedial cortices during a memory task, as seen by functional MRI, investigators here suggested.

WINSTON-SALEM, N.C. -- Activation of transglutaminase-2 (TG2) may trigger the mysterious and debilitating fibrosis that affects some end-stage renal patients, researchers here believe.

IOANNINA, Greece -- Newer chemotherapy drugs add months to the lives of patients with advanced colorectal cancer, but at a high cost in toxicity and complications, a meta-analysis showed.