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Monday, February 4, 2013

ScienceDaily: Top Health News

ScienceDaily: Top Health News


Poor mental health leads to unhealthy behaviors among low-income adults

Posted: 03 Feb 2013 06:24 PM PST

A new study says binge drinking, smoking, and illegal drug use may be used to cope with depression and anxiety. Poor mental health leads to unhealthy behaviors in low-income adults - not the other way around, according to a new study. In this study, stress and anxiety predicted subsequent health-compromising behaviors, such as smoking, binge drinking, illegal drug use, unprotected sex and unhealthy diets. One possible explanation for these findings is that health compromising behaviors may be used as coping mechanisms to manage the effects of stress and anxiety.

Milestone of cancer research: Arresting cancers rather than killing them

Posted: 03 Feb 2013 06:24 PM PST

Medical researchers have shown that the immune system is able to drive tumors and tumor cells into a form of permanent dormancy. The resulting growth arrest allows tumor control in the absence of cancer cell destruction. This permanent dormancy – scientifically known as senescence – may persist for the whole life of the organism. Thus, immunotherapy can prevent tumor development without destroying the cells.

Growth factor aids stem cell regeneration after radiation damage

Posted: 03 Feb 2013 11:55 AM PST

Epidermal growth factor has been found to speed the recovery of blood-making stem cells after exposure to radiation, according to researchers. The finding could open new options for treating cancer patients and victims of dirty bombs or nuclear disaster.

Immune cell 'survival' gene key to better myeloma treatments

Posted: 03 Feb 2013 11:55 AM PST

Scientists have identified the gene essential for survival of antibody-producing cells, a finding that could lead to better treatments for diseases where these cells are out of control, such as myeloma and chronic immune disorders. They discovered that a gene called Mcl-1 is critical for keeping this vital immune cell population alive.

Pioneering research helps to unravel the brain's vision secrets

Posted: 03 Feb 2013 11:55 AM PST

A new study has identified the two areas of the brain responsible for our perception of orientation and shape.

Mutations linked to relapse of childhood leukemia discovered

Posted: 03 Feb 2013 11:54 AM PST

After an intensive three-year hunt through the genome, medical researchers have pinpointed mutations that leads to drug resistance and relapse in the most common type of childhood cancer —- the first time anyone has linked the disease's reemergence to specific genetic anomalies.

Gene therapy: Editing out genetic damage

Posted: 03 Feb 2013 11:54 AM PST

New design guidelines from researchers in Singapore simplify the development of targeted therapies for muscular dystrophy and other diseases.

BrailleWise, aircraft toilet: Making air travel easier for visually impaired people

Posted: 03 Feb 2013 11:54 AM PST

Scientists have designed a new aircraft lavatory called BrailleWise®, giving visually impaired people greater independence and comfort when using toilets on airplanes.

Prescription overdose rate reaches epidemic levels in NYC

Posted: 03 Feb 2013 05:51 AM PST

The rate of drug overdose from prescription opioids increased seven-fold in New York City over a 16-year period and was concentrated especially among white residents of the city, according to latest research. The study is one of the earliest and most comprehensive analyses of how the opioid epidemic has affected an urban area.

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