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Science News for April 26, 2016


Young gay and bisexual men 6 times more likely to attempt suicide than older counterparts

A new study published in the Journal of Public Health found that young gay and bisexual men in the UK are significantly at risk of poor mental health compared to their older counterparts. The research reveals that these men are six times more likely to attempt suicide or self-harm, as well as twice as likely to be depressed or anxious.

SourceLondon School of Hygiene & Tropical Medicine·JournalJournal of Public Health·DateApr 26, 2016

Who gets hooked on drugs? Rat study finds genetic markers that influence addiction

A new rat study reveals genetic differences in the brain's pleasure receptor and epigenetic tags that affect cocaine addiction and relapse. The findings suggest inherited traits and epigenetics play a role in addiction vulnerability, with some rats more likely to seek out cocaine repeatedly due to genetic markers.

SourceMichigan Medicine - University of Michigan·JournalProceedings of the National Academy of Sciences·DateApr 26, 2016

Minimally invasive colitis screening using infrared technology could offer fast, simple test

Researchers at Georgia State University have developed a rapid and cost-effective method for detecting ulcerative colitis using Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectroscopy. The technique, which involves testing serum for increased presence of mannose, shows promise as a personalized diagnostic tool.

SourceGeorgia State University·JournalJournal of Biophotonics·DateApr 26, 2016

Chernobyl, three decades on

The University of South Carolina's Tim Mousseau and Anders Møller studied the natural inhabitants of the Chernobyl Exclusion Zone, finding damaging effects of chronic radiation exposure on wildlife. They discovered that even low levels of radiation can cause cataracts, diminish brain size, and affect fertility in animals.

SourceUniversity of South Carolina·JournalThe Science of The Total Environment·DateApr 26, 2016

Groundwater quality changes alongside expansion of hydraulic fracturing

Research from the University of Texas at Arlington reveals that groundwater quality in the Permian Basin changes significantly during and after hydraulic fracturing expansion. The study detected chlorinated solvents, alcohols, and aromatic compounds in private water well samples, as well as large fluctuations in pH and total organic ca...

SourceUniversity of Texas at Arlington·JournalThe Science of The Total Environment·DateApr 26, 2016

Aspirin may help prevent bile duct cancer

Regular aspirin use was linked to a significantly reduced risk of developing bile duct cancer, according to a recent study. The findings suggest that additional research on the potential of aspirin for preventing bile duct cancer is warranted.

SourceWiley·JournalHepatology·DateApr 26, 2016

Gender differences and relationship power could be key in preventing HIV in South African adolescents

A University of Pennsylvania study examined intimate partner violence and relationship power among South African adolescents, finding that girls with lower power were more likely to have multiple partners. The research suggests that targeting gender-specific components in HIV prevention interventions could help reduce transmission rates.

SourceUniversity of Pennsylvania School of Nursing·JournalHealth Psychology·DateApr 26, 2016

The geology of wine

The taste of wine is influenced by soil properties, particularly pH, which modify the wine's chemistry. Researchers found a correlation between specific soil characteristics and Pinot Noir vintages in the Willamette Valley.

SourceGeological Society of America·JournalGSA Today·DateApr 26, 2016

Threat of novel swine flu viruses in pigs and humans

A recent study published in eLife reveals that novel swine flu viruses have emerged, driven by the frequent introduction of human viruses to pigs. The analysis of nearly 600 flu viruses from multiple continents shows a high level of antigenic diversity, posing a significant risk to human health.

SourceeLife·DateApr 26, 2016

Child homicide -- speaking of the unspeakable

Research suggests that child homicide is responsible for approximately 1% of all neonatal deaths in South Africa. The majority of these deaths occur among infants aged 0-6 days, with abandonment being the most common method of homicide.

SourcePLOS·JournalPLOS Medicine·DateApr 26, 2016

Statins and colorectal cancer

A large case-control study found that statin use is associated with a reduced risk of colorectal cancer, but the difference in risk between statin users and non-users was not significant. Increased serum cholesterol levels were also independently linked to decreased risk of colorectal cancer.

SourcePLOS·JournalPLOS Medicine·DateApr 26, 2016

The Lancet Oncology: Remaining in the EU is vital to maintaining the UK's global strength in cancer research and care, say leading oncologists

Leading UK oncologists argue that staying in the EU is crucial to maintaining the country's prominent role in cancer research and care. The authors point out the benefits of EU-wide cooperation, including improved standards of care, research, and patient rights, as well as strengthened collaboration with EU partners.

SourceThe Lancet·JournalThe Lancet Oncology·DateApr 26, 2016

Immuno-psychiatry: When your body makes its own angel dust

Researchers found structural brain damage in the hippocampus, a key memory region, that correlates with memory performance and disease severity in patients with anti-NMDA receptor encephalitis. The autoimmune disorder can cause schizophrenia-like symptoms and long-term cognitive impairment if not treated promptly.

SourceElsevier·JournalBiological Psychiatry·DateApr 26, 2016

Yoga may have health benefits for people with asthma

A new Cochrane Review suggests that yoga may have a beneficial effect on symptoms and quality of life in people with asthma. However, the effects on lung function and medication use are uncertain. Researchers found some moderate quality evidence that yoga exercise reduces the impact of asthma on people's quality of life.

SourceWiley·JournalCochrane Database of Systematic Reviews·DateApr 26, 2016

Play as a field for research

The PLAYTrack project aims to investigate how play supports children's learning and skills. The project will develop new methods to examine the impact of play on human development, collaboration with industry partners and institutions.

How breast cancer cells slide to metastasis

Researchers found that breast cancer cells spread by sliding around other cells blocking their escape route out of the original tumor. The study identified molecular pathways that regulate cell-sliding behavior and showed that increased levels of E-cadherin can diminish this behavior.

SourceCell Press·JournalBiophysical Journal·DateApr 26, 2016

What's missing from current methods for genetic screening of sperm donors?

A new study shows that current carrier screening methods are insufficient and can give prospective mothers a false sense of security. Whole genome studies are needed to ensure both mates don't carry recessive mutations in the same gene(s). DNA-based screening can detect many more disease-causing genetic variations

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalGenetic Testing and Molecular Biomarkers·DateApr 26, 2016

Measuring happiness on social media

A study published in PLOS One found that people's feelings of long-term happiness and satisfaction with their lives remained steady over time, unaffected by external events. The researchers grouped Twitter users into satisfied and dissatisfied groups, finding differences in language use, activity patterns, and psychological processes.

SourceUniversity of Iowa·JournalPLOS ONE·DateApr 26, 2016