TUESDAY, Feb. 22 (HealthDay News) -- Radiologists who interpret large numbers of mammograms may not detect more breast cancers, but are better at identifying breast lesions that are not cancerous, a new study finds.

(HealthDay News) -- Keeping track of asthma symptoms each day can help your doctor devise a more effective treatment plan.

(HealthDay News) -- A muscle cramp occurs when a muscle involuntarily contracts. It often occurs during a sport or other exercise, but a muscle can spasm even during sleep.

TUESDAY, Feb. 22 (HealthDay News) -- The ability to speak several languages not only looks good on a resume when you're young, it may have neurological benefits well after you pass retirement age.

TUESDAY, Feb. 22 (HealthDay News) -- Men and women with high triglyceride levels are at an increased risk of ischemic stroke, which typically occurs when blood flow to the brain is blocked by a build-up of fatty deposits within blood vessels, a new Danish study contends.

TUESDAY, Feb. 22 (HealthDay News) -- People with inflammatory bowel disease have double the risk of developing a potentially deadly blood clot (venous thromboembolism) in the legs or lungs as do people in the general public, a new study finds.

TUESDAY, Feb. 22 (HealthDay News) -- Despite suggestions that hard water may provoke the itchy and discomforting skin condition known as atopic eczema, a new British study has found that softening the water does nothing to relieve sufferers.

TUESDAY, Feb. 22 (HealthDay News) -- The increasingly commonplace decision by pregnant women and their doctors to induce labor for convenience rather than for medical necessity entails some health risks to both mother and child, research suggests.

TUESDAY, Feb. 22 (HealthDay News) -- By analyzing patterns in the brain's electrical activity, researchers say they've been able to assess autism risk in children as young as 6 months of age.

TUESDAY, Feb. 22 (HealthDay News) -- In women who have had breast cancer, annual mammograms help detect second breast cancers, but they're not as effective in women who have never had the disease, new research suggests.

TUESDAY, Feb. 22 (HealthDay News) -- A one-hour cell phone conversation stimulates the areas of your brain closest to the phone's antenna, but experts say they still have no idea whether these effects pose any long-term health risk.

TUESDAY, Feb. 22 (HealthDay News) -- Concentrations of bisphenol A -- a chemical commonly used in making plastics -- are much lower in Canadians than Americans, a new study has found.

TUESDAY, Feb. 22 (HealthDay News) -- People with chronic obstructive pulmonary disease, or COPD, are more likely than others to develop shingles, according to a new study.

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

TUESDAY, Feb. 22 (HealthDay News) -- Nitroglycerin ointment, usually prescribed to relieve chest pain, may also counter bone loss, a new study suggests.

TUESDAY, Feb. 22 (HealthDay News) -- Ignition devices that prevent people from driving after drinking greatly reduce the number of new arrests of drivers who were previously arrested for drunk driving, U.S. researchers report.

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

TUESDAY, Feb. 22 (HealthDay News) -- A U.S. law protects drug makers from lawsuits filed for serious side effects caused by childhood vaccines, the Supreme Court ruled Tuesday.

TUESDAY, Feb. 22 (HealthDay News) -- Moderate alcohol consumption may help protect against heart disease, according to two new papers by Canadian researchers.