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Science News for September 14, 2011


Link between racial discrimination and stress described in new study

Researchers found that African Americans experiencing racial discrimination had higher levels of oxidative stress, a potential pathway for cardiovascular and other age-related disease risks. The study suggests that psychological stress from racial discrimination may contribute to racial health disparities.

SourceSpringer·JournalInternational Journal of Behavioral Medicine·DateSep 14, 2011

'Partner abuse is normal' say disadvantaged youth

A new study by the University of Bristol reveals that children from disadvantaged backgrounds are more likely to experience abusive partner relationships. The research found that many young people accept violence as normal and struggle to recognize its impact, highlighting the need for education and support to prevent abuse.

Older women lack important information about sexual health

A study found that older women are aware of the risks of sexually transmitted diseases but often avoid discussing them with their physicians due to discomfort. The research highlights a critical need for improved communication between older women and their healthcare providers about sexual health and safe sex practices.

SourceWiley·JournalJournal of Consumer Affairs·DateSep 14, 2011

Feared spinal X-ray found to be safe, study shows

A study published in Neurology has shown that spinal digital subtraction angiography is safe and effective, ruling out misdiagnosis of inflammation and transverse myelitis. The procedure, considered the gold standard for vascular disorders near the spine, was found to have no reported cases of stroke or kidney damage in 302 patients.

SourceJohns Hopkins Medicine·JournalNeurology·DateSep 14, 2011

Yale researchers use uterine stem cells to treat diabetes

Researchers at Yale University have successfully converted uterine stem cells into insulin-producing cells, which could lead to the development of a new treatment for Type 1 diabetes. The study found that these stem cells can adopt the characteristics of beta cells in the pancreas and produce insulin in response to glucose.

SourceYale University·JournalMolecular Therapy·DateSep 14, 2011

Some smokers successfully switch to electronic cigarettes

A study of 104 long-term e-cigarette users found that 78% were no longer using tobacco and planned on using their e-cig instead. However, researchers warn about the lack of long-term safety and effectiveness data for these products, as well as poor quality control and regulation.

SourcePenn State·JournalInternational Journal of Clinical Practice·DateSep 14, 2011

'Super-spaghetti' with heart-healthy label now possible

A new genre of pasta made with barley is being developed, offering a potential solution for consumers seeking healthier alternatives. The barley spaghetti contains more fiber and antioxidant activity than traditional semolina-based spaghettis, making it a promising option for those looking to reduce their risk of heart disease.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateSep 14, 2011

Chronic vulvar pain a reality for more than 100,000 women in southeast Michigan

A new study from the University of Michigan found that over 25% of women in the metro Detroit area have experienced ongoing vulvar pain, while only 2% sought treatment. The study sheds light on the demographics and characteristics of vulvodynia, a condition causing unexplained pain at the vagina's opening.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Obstetrics and Gynecology·DateSep 14, 2011

Bringing botany into the 21st Century

The International Code of Nomenclature for algae, fungi and plants is set to undergo significant changes allowing scientists to publish new species discoveries entirely online. This shift aims to increase the efficiency and accessibility of scientific research in the digital age.

SourceBMC (BioMed Central)·JournalBMC Evolutionary Biology·DateSep 14, 2011

Computerized anxiety therapy found helpful in small trial

A small clinical trial suggests that cognitive bias modification (CBM) may be as effective as in-person therapy or drugs in treating social anxiety disorder. Participants showed significant improvements on a standardized measure of anxiety and public speaking task after completing two exercises twice a week for four weeks.

SourceBrown University·JournalDepression and Anxiety·DateSep 14, 2011

How do political debates affect advertising?

A recent study by University of Chicago Press Journals found that political debate can sometimes decrease the impact of subsequent ads. Researchers discovered that inducing supportive elaborations increased ad effectiveness, while counterarguing mindset decreased it. This suggests context plays a significant role in advertising efficacy

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateSep 14, 2011

Accidental sea turtle deaths drop 90 percent in US fisheries

The number of sea turtles accidentally caught and killed in US fishing gear has declined by 90% since 1990, according to a new study. This drop is attributed to measures reducing bycatch in many fisheries and overall declines in US fishing activity, which have led to fewer turtle deaths annually, from over 300,000 to around 460.

SourceDuke University·JournalBiological Conservation·DateSep 14, 2011

It's all about autonomy: Consumers react negatively when prompted to think about money

A new study found that money reminders lead consumers to react against people who influence their decisions, boosting the importance of autonomy. Participants in three studies reacted oppositely when reminded of money compared to those not reminded, with money-reminded consumers responding more strongly to social influences

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateSep 14, 2011

Downwardly mobile: When consumer decisions are influenced by people with lower socioeconomic status

A new study reveals that consumers are influenced by people with lower socioeconomic status, particularly when they aspire to a desirable trait. The 'low status user effect' suggests that observing a person from a lower status group using a product can lead to interest and emulation among higher-status individuals.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateSep 14, 2011

This beetle uses eggs as shields against wasps

Researchers discovered that desert seed beetles use a strategy of stacking their eggs as shields against parasitic wasps. The beetles lay their eggs on seed pods, then stack multiple layers to protect them from the wasp species. This behavior prevents the wasp larvae from developing and allows the beetle offspring to survive.