الاثنين، 21 ديسمبر 2015

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Tumors hijack export pathway in cells to resist chemotherapy and fuel disease progression

Posted: 19 Dec 2015 11:49 AM PST

Scientists have discovered a novel strategy that aggressive sarcomas use to promote drug resistance and cancer's spread plus evidence of how to reverse the process.

Immunotherapy drug more effective than chemotherapy in most patients with advanced lung cancer, study finds

Posted: 19 Dec 2015 11:49 AM PST

A new study has found immunotherapy to be more effective than chemotherapy in treating most previously treated patients with advanced lung cancer, and demonstrated effectiveness in a wider population of people than previously known to benefit from the therapy.

Method for detecting latent stage of lymphedema identified

Posted: 18 Dec 2015 01:14 PM PST

Nursing researchers examined the validity, sensitivity, and specificity of symptoms for detecting breast cancer-related related lymphedema. The study also determined the best clinical cutoff point for the count of symptoms that maximized the sum of sensitivity and specificity.

Teens with fewer mental health issues turn to e-cigarettes

Posted: 18 Dec 2015 01:12 PM PST

Teenagers with moderate mental health problems who may not have considered smoking conventional cigarettes are turning to electronic cigarettes, a new study has found. Today's teens perceive e-cigarettes as less harmful, addictive, smelly and difficult to obtain than conventional cigarettes.

Police shootings of black males: A public health problem

Posted: 18 Dec 2015 01:12 PM PST

A public health researcher is proposing immediate, concrete steps to stem police shootings of black males.

Bacterium carrying a cloned Bt-gene could help millions infected with roundworms

Posted: 18 Dec 2015 01:12 PM PST

Intestinal nematodes and roundworms infect more than one billion people worldwide, leading to malnutrition and developmental problems. Now a team of researchers has successfully inserted the gene for a naturally-occurring, insecticidal protein called Bt into a harmless bacterium, which could be incorporated into dairy products, or used as a probiotic to deliver the protein to the intestines of people afflicted with roundworms.

BAP1 mutation passed down over centuries and is associated with high incidence of several cancers

Posted: 18 Dec 2015 01:12 PM PST

Researchers have discovered that members of 4 families, apparently unrelated and living in different US States, shared the identical mutation of a gene called BAP1 that is associated with a higher incidence of mesothelioma, melanoma, renal carcinoma and other cancers. Through genetic and genealogical studies, it was demonstrated that the families were related, and that they descended from a couple that immigrated to the USA from Germany in the early 1700s.

MERS virus: Drying out the reservoir

Posted: 18 Dec 2015 05:56 AM PST

A German-Dutch team has succeeded in immunizing dromedaries against the MERS virus. As the camels appear to be the major reservoir of the virus, the vaccine should also reduce the risk of future outbreaks of the disease in humans.

Substances found in cornea activate healing of blinding scar tissue

Posted: 18 Dec 2015 05:56 AM PST

Two substances typically associated with brain neurons are involved in the healing process of the cornea in humans. The discovery suggests that the substances, which are produced naturally in the cornea, could form the basis for a non-invasive treatment of corneal opacity.

Behavioral economists: Health insurance complexity leads to costly mistakes

Posted: 18 Dec 2015 05:46 AM PST

Behavioral economists highlight the complexity Americans face when it comes to making health insurance decisions, discuss recent research on the mistakes consumers make when choosing between plans and describe the serious financial consequences of these poor choices.
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