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Science News Archive April 2012 - Page 11


Page 11 of 29

Meat eating behind humans' spreading over the globe

A study by Lund University researchers reveals that meat-eating is linked to the timing of weaning in mammals, which may have contributed to human population expansion globally. The study found that carnivorous species, including humans, have shorter breast-feeding periods than herbivores and omnivores.

SourceLund University·JournalPLOS ONE·DateApr 20, 2012

Your left side is your best side

Researchers found that images of the left side of the face are rated as more pleasant than those of the right side, possibly due to increased emotion intensity. The study also showed a strong preference for left-sided portraits in real-life photographs and confirmation from pupil size measurements.

SourceSpringer·JournalExperimental Brain Research·DateApr 20, 2012

Modest alcohol consumption lowers risk and severity of liver disease

Research published in The Journal of Hepatology found that moderate alcohol consumption can reduce the risk and severity of liver disease in patients with nonalcoholic fatty liver disease (NALFD). Patients with NALFD who consume two drinks or less daily are half as likely to develop hepatitis as non-drinkers, experiencing less severe l...

SourceUniversity of California - San Diego·JournalJournal of Hepatology·DateApr 19, 2012

Defending against chemical acts of terrorism

Researchers have discovered a new and improved version of an enzyme that can detoxify deadly nerve agents, such as sarin. The PON1 variant shows 40-3,400-fold higher efficiency in metabolizing the three most toxic G-type nerve agents.

SourceCell Press·JournalChemistry & Biology·DateApr 19, 2012

Study: No link between depression, nasal obstruction

Researchers at Henry Ford Hospital conducted a retrospective review of 437 patients who underwent surgery for septal deviation. The study found that despite a higher prevalence of co-morbid mood disorders in surgical failures, there was no significant correlation between depression and nasal obstruction symptoms or treatment outcomes.

Big doses of vitamin C may lower blood pressure

A review of 29 clinical trials found that taking an average of 500 milligrams of vitamin C daily reduced blood pressure by 3.84 millimeters of mercury in the short term. However, more research is needed to understand its implications as a treatment for high blood pressure.

SourceJohns Hopkins Medicine·JournalAmerican Journal of Clinical Nutrition·DateApr 19, 2012