THURSDAY, Feb. 25 (HealthDay News) -- People suffering from chronic lower back pain may find relief through cognitive behavioral therapy, a short-term treatment aimed at challenging and reframing negative beliefs.

THURSDAY, Feb. 25 (HealthDay News) -- A new study adds to evidence that chronic fatigue syndrome doesn't have anything to do with xenotropic murine leukemia virus-related virus (XMRV), but the researchers point out that there's a caveat regarding American patients.

THURSDAY, Feb. 25 (HealthDay News) -- Fatigue in dialysis patients may be a warning sign of an impending heart attack or other serious heart problems, a new study suggests.

THURSDAY, Feb. 25 (HealthDay News) -- Regular coffee drinking appears to reduce the risk of stroke, a new study indicates.

THURSDAY, Feb. 25 (HealthDay News) -- Recovering stroke patients whose physical therapy regimen is built around Wii video games appear to improve better than patients treated with standard therapies, a new Canadian study reveals.

THURSDAY, Feb. 25 (HealthDay News) -- Women with breast cancer who choose to have a preventive mastectomy on their disease-free breast do reduce their risk of cancer in that breast, studies have shown.

THURSDAY, Feb. 25 (HealthDay News) -- New research is providing more insight into a gene linked to autism in humans: When the gene is turned off in mice, they have trouble learning and become obsessive.

THURSDAY, Feb. 25 (HealthDay News) -- Endometrial cancer patients at medium to high risk for cancer recurrence are more likely to survive if both the pelvic lymph nodes and para-aortic lymph nodes are removed, rather than just the pelvic lymph nodes, say Japanese researchers.

THURSDAY, Feb. 25 (HealthDay News) -- U.S. hospitals throw away surgical gowns, towels and ultrasonic cutting tools after a single use, but recycling those supplies could save hundreds of millions of dollars annually and protect the environment, researchers say.

THURSDAY, Feb. 25 (HealthDay News) -- All Americans 6 months of age and older should get a flu shot each year, a panel of U.S. advisers is recommending.

THURSDAY, Feb. 25 (HealthDay News) -- The seemingly miraculous recovery from rabies of a 17-year-old Texas girl -- diagnosed months after a suspected bat bite -- is leaving doctors scratching their heads and wondering if such cases might be less rare than is believed.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

THURSDAY, Feb. 25 (HealthDay News) -- Higher levels of obesity and inactivity, especially among women, explain why arthritis is more common in the United States than in Canada, according to a new study.

THURSDAY, Feb. 25 (HealthDay News) -- Competition in the health insurance industry is vanishing, according to an American Medical Association report that looked at data from 43 states and 313 metropolitan markets.

THURSDAY, Feb. 25 (HealthDay News) -- Based on the results of preliminary research in rats, researchers say that doses of vitamin B3 -- also known as niacin -- could help people recover brain function after a stroke.

THURSDAY, Feb. 25 (HealthDay News) -- In an attempt to jump-start health-care reform, President Barack Obama on Thursday will hold a bipartisan summit on health care.

(HealthDay News) -- Dry mouth usually affects older adults, often as a side effect of a health condition or certain drugs including decongestants, antihistamines, pain relievers and diuretics, says the American Dental Association.

(HealthDay News) -- Good health means more than being treated only when you're sick. It also means taking steps to stay healthy in the first place.