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Health News



Health Highlights: Aug. 9, 2010

Health Highlights: Aug. 9, 2010

08/09/10

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

Liposuction Now Leading Plastic Surgery In U.S.: Study

Liposuction has surpassed breast augmentation as the most popular type of plastic surgery in the United States, according to a new industry study.

It also said that more plastic surgery is performed in the U.S. than in any other country, CBS News reported.

In the U.S., liposuction now accounts for 18.8 percent of plastic surgery procedures, said the International Society of Aesthetic Plastic Surgery.

That's followed by breast augmentation (17 percent) and eyelid lifts (13.5 percent. Breast augmentation was the leading type of plastic surgery in the U.S. for a decade, CBS News reported.

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Meningitis Risk Influenced By Certain Genes: Researchers

Genes that increase a person's risk of bacterial meningitis have been identified by an international team of scientists, who said their findings may lead to the development of new vaccines.

The researchers compared DNA from 1,400 people with bacterial meningitis and 6,000 healthy people and determined that differences in a family of immune response-related genes affect a person's level of risk for the infection, BBC News reported.

The study appears in the journal Nature Genetics.

"This exciting work has thrown new light on factors that play a part in determining why some people get meningococcal disease and others do not," Sue Davie, chief executive of the Meningitis Trust, told BBC News. "Further work will be needed to establish just what the genetic differences are in the genes which actually cause this susceptibility to invasive infection, but this is a promising start."

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Scientists Regrow Spinal Cord Nerve Cells In Mice

In tests on mice, scientists achieved substantial regrowth of spinal cord nerve cells (axons) that control voluntary movement -- the first time this has been achieved, says a new study.

While the ability to grow new nerve cells is present at birth, that capability diminishes with age. As a result, axons can't regenerate after illness or injury, BBC News reported.

U.S. researchers attempted to reactivate the signaling pathway that encourages new nerve cell growth in young mammals. They did this by deleting a gene called PTEN in mice with severed spinal cords. Normally, this gene stops new cell growth.

The mice in the study showed substantial nerve regrowth in their spinal cords, BBC News reported.

The study appears in the journal Nature Neuroscience.

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Copyright © 2010 HealthDay. All rights reserved.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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