ScienceDaily: Top Health News

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• New vaccine-design approach targets viruses such as HIV
• Brain scans might predict future criminal behavior
• Proximity to coal-tar-sealed pavement raises risk of cancer, study finds
• Declaring a truce with our microbiological frenemies
• Brain's 'molecular memory switch' identified
• How diabetes drug delays aging in worms
• How herpesvirus invades nervous system
• America: Time to shake the salt habit?
• What attracts people to violent movies?
• Common gene variants explain 42% of antidepressant response
• Seeing happiness in ambiguous facial expressions reduces aggressive behavior
• Multiple moves found harmful to poor young children
• Prekindergarten program boosts children's skills
• Marital conflict causes stress in children, may affect cognitive development
• Teens' struggles with peers forecast long-term adult relationships
• Prebiotics: Do supplements in baby formula help prevent allergies?
• Eating disorders, muscle dysmorphia, and self perceived masculinity
• Child development: Early walker or late walker of little consequence

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.

Brain scans might predict future criminal behavior Posted: 28 Mar 2013 09:53 AM PDT A portable MRI was used to assess anterior cingulate cortex (ACC) activity in 96 adult male inmates who were then followed for up to four years after their release from prison. Those who re-offended were more likely to have lower ACC activity, indicating impulsivity and anti-social behavior.

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?

What attracts people to violent movies? Posted: 28 Mar 2013 06:17 AM PDT Why are audiences attracted to bloodshed, gore and violence? A recent study found that people are more likely to watch movies with gory scenes of violence if they felt there was meaning in confronting violent aspects of real life.

Common gene variants explain 42% of antidepressant response Posted: 28 Mar 2013 06:17 AM PDT Antidepressants are commonly prescribed for the treatment of depression, but many individuals do not experience symptom relief from treatment. New research found that only approximately one-third of patients responded within their initial medication trial and approximately one-third of patients did not have an adequate clinical response after being treated with several different medications.

Seeing happiness in ambiguous facial expressions reduces aggressive behavior Posted: 28 Mar 2013 05:05 AM PDT Encouraging young people at high-risk of criminal offending and delinquency to see happiness rather than anger in facial expressions results in a decrease in their levels of anger and aggression, according to a new study.

Multiple moves found harmful to poor young children Posted: 28 Mar 2013 05:02 AM PDT Poor children who move three or more times before age five have more behavior problems than their peers, according to a longitudinal, representative study of children born in 20 large US cities between 1998 and 2000. Children who moved three or more times exhibited more attention problems, anxiousness, and aggressiveness at age 5.

Prekindergarten program boosts children's skills Posted: 28 Mar 2013 05:02 AM PDT Boston Public Schools' prekindergarten program is substantially improving children's readiness to start kindergarten, according to a new study of more than 2,000 children enrolled there. The program uses research-based curricula and teacher coaching, is taught primarily by masters-level teachers, and is open to any child. This study suggests that efforts to increase the enrollment of underrepresented Latino children in high-quality prekindergarten programs, such as the one studied here, may be beneficial.

Marital conflict causes stress in children, may affect cognitive development Posted: 28 Mar 2013 05:02 AM PDT Marital conflict is a significant source of environmental stress for children. Witnessing such conflict may harm their stress response systems, affecting their mental and intellectual development. Research findings suggest that stress from marital conflict can hinder children's development of cognitive ability.

Teens' struggles with peers forecast long-term adult relationships Posted: 28 Mar 2013 05:02 AM PDT Teens' struggles to connect with their peers in early adolescence while not succumbing to negative peer influences predict their capacity to form strong friendships and avoid serious problems. In a longitudinal study, researchers followed 150 teens over a 10-year period to learn about the lasting effects of peer struggles in early adolescence. They found establishing social competence in early adolescence involves negotiating conflicting goals between peer acceptance and autonomy with regard to negative peer influences.

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.

Eating disorders, muscle dysmorphia, and self perceived masculinity Posted: 28 Mar 2013 04:57 AM PDT Self perceived masculinity is higher in men with muscle dysmorphia, popularly called 'bigorexia', than other gym users, while male patients with anorexia nervosa had elevated association with feminine stereotypes, finds new research.

Child development: Early walker or late walker of little consequence Posted: 28 Mar 2013 04:57 AM PDT On average, children take the first steps on their own at the age of 12 months. Many parents perceive this event as a decisive turning point. However, the timing is really of no consequence. Children who start walking early turn out later to be neither more intelligent nor more well-coordinated.

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