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A major cause of melanoma is thought to be overexposure to the sun. The ultraviolet radiation in sunlight can damage DNA and lead to cancer-causing genetic changes in skin cells. New genetic analysis of key group of enzymes may pave way for more individualized treatments.
May is Healthy Vision Month, a national eye health observance.
Influenza, or flu, is a respiratory infection caused by several flu viruses. Pandemic flu refers to particularly virulent strains of flu that spread rapidly from person to person to create a world-wide epidemic (pandemic).
A new Web site and booklet from the National Institute on Alcohol Abuse and Alcoholism (NIAAA) could help many people reduce their risk for alcohol problems. Called Rethinking Drinking, the new materials present evidence-based information about risky drinking patterns, the alcohol content of drinks, and the signs of an alcohol problem, along with resources to help people who choose to cut back or quit drinking.
Women who maintain a healthy weight and who have lower perceived stress may be less likely to have chromosome changes associated with aging than obese and stressed women, according to a pilot study that was part of the Sister Study.
Six annual screenings for prostate cancer led to more diagnoses
of the disease, but no fewer prostate cancer deaths, according
to a major new report from the Prostate, Lung, Colorectal, and
Ovarian (PLCO) Cancer Screening Trial, a 17-year project of the
National Cancer Institute. The PLCO was designed to provide answers
about the effectiveness of prostate cancer screening.
Children born to women who have low blood levels of vitamin B12 shortly before and after conception may have an increased risk of a neural tube defect, according to recent analysis.
 Researchers
Identify a Potential Target that May Provide a New Way to Treat Melanoma—3/31/20091:58 | 1.8 MB |Transcript | Get RealPlayer | Right Click to Download MP3 File A new study examines a protein and shows the important role it plays in inhibiting the development and spread of melanoma tumor in mice and human skin models. This protein, SOX9, may also increase the effectiveness of a treatment used on many other types of cancer.
Prenatal exposure to smoking combined with genes, increases
teens' risk for dispruptive behavior problems.
Scientists have identified a small family of lab-made proteins
that neutralize a broad range of influenza A viruses, including
the H5N1 avian virus, the 1918 pandemic influenza virus and seasonal
H1N1 flu viruses.
In the first study of its kind, researchers assessed self-regulatory brain processes in women with bulimia nervosa without using disorder-specific cues, such as pictures of food. The study shows that impaired brain activity underlies the impulsive behaviors in women with bulimia.
Researchers report that they have identified a network of dental genes that likely were involved in building the first tooth half a million years ago.
A new study demonstrates that a chemical mediator in the blood plays a key role in maintaining the balance between the build-up and breakdown of bones in the body. This mediator, which acts on cells that degrade bone, may provide a new target for scientists developing therapies and preventions for bone-degenerating diseases such as osteoporosis and rheumatoid arthritis.
The National Institute of Diabetes and Digestive and Kidney Diseases is investigating whether salsalate, an anti-inflammatory drug used for years to manage arthritis pain, can reduce blood glucose levels in people with type 2 diabetes. 
 FREE MP3 audio reports from the National Institutes of Health, your reliable health information source. Questions? Contact: This page was last reviewed on
May 6, 2009
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