الجمعة، 29 مارس 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


New vaccine-design approach targets viruses such as HIV

Posted: 28 Mar 2013 01:14 PM PDT

Scientists have unveiled a new technique for vaccine design that could be particularly useful against HIV and other fast-changing viruses.

Proximity to coal-tar-sealed pavement raises risk of cancer, study finds

Posted: 28 Mar 2013 09:52 AM PDT

People living near asphalt pavement sealed with coal tar have an elevated risk of cancer, according to a new study. Much of this calculated excess risk results from exposures in children, age six or younger, to polycyclic aromatic hydrocarbons from the sealant.

Declaring a truce with our microbiological frenemies

Posted: 28 Mar 2013 09:52 AM PDT

Managing bacteria and other microorganisms in the body, rather than just fighting them, may be lead to better health and a stronger immune system, according to a biologist.

Brain's 'molecular memory switch' identified

Posted: 28 Mar 2013 09:52 AM PDT

Scientists have identified a key molecule responsible for triggering the chemical processes in our brain linked to our formation of memories. The findings reveal a new target for therapeutic interventions to reverse the devastating effects of memory loss.

How diabetes drug delays aging in worms

Posted: 28 Mar 2013 09:51 AM PDT

A widely prescribed type 2 diabetes drug slows down the aging process by mimicking the effects of dieting, according to a study using worms to investigate how the drug works.

How herpesvirus invades nervous system

Posted: 28 Mar 2013 06:17 AM PDT

Scientists have identified a component of the herpesvirus that "hijacks" machinery inside human cells, allowing the virus to rapidly and successfully invade the nervous system upon initial exposure.

America: Time to shake the salt habit?

Posted: 28 Mar 2013 06:17 AM PDT

Medical researchers have written a review paper summarizing data linking excessive sodium intake to increased rates of hypertension, stroke and cardiovascular disease. Is it time for national policy?

Prebiotics: Do supplements in baby formula help prevent allergies?

Posted: 28 Mar 2013 04:57 AM PDT

Prebiotic supplements in infant formula may help to prevent eczema, according to a systematic review. However, the review highlights a lack of high quality evidence for the effects of prebiotics in preventing allergies.

Data on experience-related outcomes limited in children’s surgery, study finds

Posted: 25 Mar 2013 03:38 PM PDT

A review of the available medical literature suggests that data on experience-related outcomes in children's surgery are limited and vary widely in methodologic quality, according to a new report.

Mild cognitive impairment at Parkinson disease diagnosis linked with higher risk for early dementia

Posted: 25 Mar 2013 03:38 PM PDT

Mild cognitive impairment at the time of Parkinson disease (PD) diagnosis appears to be associated with an increased risk for early dementia in a Norwegian study, according to a new report.

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