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April 2006 Archive
April 28, 2006
Progeria Gene Implicated in Normal Aging
Recent research has revealed that Hutchinson-Gilford Progeria Syndrome (HGPS), a disease of premature aging, is caused by mutations in a gene called LMNA. Now, scientists at NIH's National Cancer Institute (NCI) have shown that the same gene plays a role in normal aging as well.
New Analysis of Estrogen Therapy and Breast Cancer Risk
Estrogen-alone hormone therapy does not increase the risk of breast cancer in postmenopausal women, according to a new analysis of results from the Women's Health Initiative (WHI), one of the largest medical studies ever.
Health Effects of Dental Fillings in Children
Dentists have used silver-colored amalgam to fill cavities for more than 150 years. It's made from a mix of silver, copper, zinc, and other metals held together like glue by mercury, which comprises about half the total weight of a filling.
Social Networks May Help With Alzheimer's Disease
Staying in touch with close friends and family members may actually help protect you from the damaging effects of Alzheimer's disease (AD), according to a new study funded by NIH's National Institute on Aging.
April 21, 2006
New Approach to Restoring Vision
Vision begins when rods and cones, the photoreceptor cells in our eyes, sense light. They then send signals through the retina and the optic nerve to the brain, where visual images are formed.
Low-Calorie Diet May Slow Aging
There's been a lot of buzz on the web about using a low-calorie diet to live longer. The technique works in creatures from fruit flies to rats, mice and monkeys, but no one knows if it can do the same for people
April 7, 2006
Size Isn't Everything with IQ
Past research has proven that a higher IQ doesn't come from having a larger brain. A new magnetic resonance imaging (MRI) study by researchers at NIH's National Institute of Mental Health (NIMH) and their colleagues at McGill University shows that differences in IQ may instead come from changes in the sizes of different areas of the brain as children grow.
Progress toward Avian Flu Virus Vaccine
You've probably heard that avian flu viruses from a class called H5N1 have now infected birds throughout Southeast Asia and are spreading into Central Asia, Africa and Europe. They've infected some people, too. So far, the viruses can't move easily from person to person, but if they learned how it could cause an influenza pandemic.
Lifestyle Changes Can Lower Blood Pressure
High blood pressure, or hypertension, is a serious public health problem. A major risk factor for heart disease and stroke, it affects about 1 of every 3 American adults.
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About NIH Research Matters
Harrison Wein, Ph.D., Editor
Vicki Contie, Assistant Editor
NIH Research Matters is a weekly update of NIH research highlights from the Office of Communications and Public Liaison, Office of the Director, National Institutes of Health.
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