الاثنين، 6 فبراير 2012

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Key to immune cell's 'internal guidance' system discovered

Posted: 05 Feb 2012 01:38 PM PST

Researchers have discovered the molecular pathway that enables receptors inside immune cells to find, and flag, fragments of pathogens trying to invade a host. The discovery of the role played by the molecule CD74 could help immunologists investigate treatments that offer better immune responses against cancers, viruses and bacteria, and lead to more efficient vaccines.

Genetic variant increases risk of common type stroke

Posted: 05 Feb 2012 01:37 PM PST

A genetic variant that increases the risk of a common type of stroke has been identified by scientists. This is one of the few genetic variants to date to be associated with risk of stroke and the discovery opens up new possibilities for treatment.

Early study suggests nanodiamonds safe for implants

Posted: 05 Feb 2012 01:37 PM PST

As the number of knee and hip joint replacements grows, nanodiamond coatings could answer problems related to metal surfaces.

Hearing metaphors activates brain regions involved in sensory experience

Posted: 03 Feb 2012 03:26 PM PST

New brain imaging research reveals that a region of the brain important for sensing texture through touch, the parietal operculum, is also activated when someone listens to a sentence with a textural metaphor. The same region is not activated when a similar sentence expressing the meaning of the metaphor is heard.

Male and female behavior deconstructed

Posted: 02 Feb 2012 12:08 PM PST

Hormones shape our bodies, make us fertile, excite our most basic urges, and as scientists have known for years, they govern the behaviors that separate men from women. But how?
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