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Science News Archive June 2019 - Page 30


Page 30 of 41

New research could help predict seizures before they happen

Researchers at FutureNeuro have discovered molecules in the blood that are higher in people with epilepsy before a seizure happens. These molecules are fragments of transfer RNAs (tRNAs), which could serve as an early warning system for predicting seizures.

SourceRCSI·JournalJournal of Clinical Investigation·DateJun 10, 2019

Body fat distribution linked to higher risk of aggressive prostate cancer

A prospective study found that higher levels of abdominal and thigh fat are associated with an increased risk of aggressive prostate cancer. Men with a lower BMI showed a stronger association between visceral fat and advanced prostate cancer. Lifestyle interventions, such as diet and exercise, may also reduce the risk of prostate cancer.

SourceWiley·JournalCancer·DateJun 10, 2019

Unique case of cannabis hyperemesis syndrome in palliative care

A new case study published in the Journal of Palliative Medicine reports a unique example of a patient with ALS who overcame nausea and vomiting linked to chronic cannabis use by reducing, but not discontinuing, cannabis use. This finding adds to clinicians' ability to respond to rare adverse effects of medical cannabis use.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Palliative Medicine·DateJun 10, 2019

Mount Sinai study reports asthma control in older patients and shows lower ED visits

A Mount Sinai study found improved asthma control and quality of life in older patients, with a significant reduction in emergency department visits. The study tested a patient-tailored self-management support intervention, which targeted social determinants of health and achieved meaningful improvements.

The mantis shrimp's perfect shield

Research by David Kisailus and Pablo Zavattieri reveals the telson's secret, unlocking a helicoidal structure that prevents cracks from growing and dissipates energy. The study finds that the telson's carinae ridges stiffen it along its axis while flexing inward when forces are applied perpendicular to its long axis.

SourceUniversity of California - Riverside·JournalAdvanced Functional Materials·DateJun 10, 2019

USC study: Exposure to videos of race-based violence online may be spurring mental-health issues

A new USC study suggests that viewing viral videos of police shootings and detained immigrants may be spurring mental-health issues in adolescents of color. The research found that Hispanic participants reported more depressive symptoms, while female participants reported more depressive and PTSD symptoms than male participants.

SourceUniversity of Southern California·JournalJournal of Adolescent Health·DateJun 10, 2019

Lettuce have it! Machine learning for cr-optimization

A machine learning platform called AirSurf-Lettuce uses computer vision and deep learning to categorize lettuce crops in fields, measuring quantity, size, and location. This technology can help reduce yield loss up to 30% by providing precise harvest times and improving crop management decisions.

SourceEarlham Institute·JournalHorticulture Research·DateJun 10, 2019

When it comes to food, one size doesn't fit all: world's largest scientific nutrition research project reveals even identical twins have different responses to food

The world's largest scientific nutrition research project found that individual responses to the same foods are unique, even between identical twins. This study challenges traditional dietary guidelines and suggests a personalized approach to nutrition for better long-term health benefits.

Canadian pediatric emergency department crowding not linked to death, serious adverse outcomes

A multicentre study analyzed over 1.9 million pediatric emergency department visits and found no significant association between overcrowding and death within 14 days or hospital admission within 7 days. However, the study saw an increase in admissions among sicker children and return visits from less sick kids with increasing crowding.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJun 10, 2019

BU finds iron may not improve fertility

A new study by Boston University School of Public Health found no consistent association between iron consumption and conception. However, non-heme iron intake was associated with a slightly increased chance of pregnancy in certain groups, such as women who had previously given birth or experienced heavy menstrual cycles.

SourceBoston University School of Medicine·JournalJournal of Nutrition·DateJun 10, 2019

A $12 pill test could save the lives of first-timers

A new study found that pill testing services at music festivals may be most effective in reducing harm for people trying ecstasy for the first time, as they are most cautious after a pill test. However, prior users who are high in sensation seeking are at the greatest risk of harm, even with a pill test. Introducing counselling and dru...

SourceEdith Cowan University·JournalDrug and Alcohol Review·DateJun 10, 2019

Fiber-optic probe can see molecular bonds

Engineers at the University of California, Riverside, have developed a new technology that tunnels light into the quantum realm with unprecedented efficiency. The device integrates a glass optical fiber with a silver nanowire condenser to squeeze visible light to the tip of the condenser and interact with molecules locally.

SourceUniversity of California - Riverside·JournalNature Photonics·DateJun 10, 2019

Secondary students' sexual health survey

The sixth National Survey of Australian Secondary Students and Sexual Health found 47% of sexually active respondents had engaged in intercourse, with 76% having sex at home. The survey also showed that young Australians have good knowledge of sexual health, are behaving responsibly, and are actively seeking out trusted sources of info...

New study shows how climate change could affect impact of roundworms on grasslands

A new study found that extreme drought conditions can lead to an explosion of root-feeding nematodes in grassland ecosystems, decreasing grass root production and potentially exacerbating carbon sequestration loss. The research team hopes to learn more about the interaction between water and nematode stresses to plants.

SourceColorado State University·JournalProceedings of the National Academy of Sciences·DateJun 10, 2019

Courts' sentencing of Hispanic defendants differs by destination, citizenship, year

A study found that federal courts in areas with traditionally welcoming Hispanic immigration handed out similar sentences to non-Hispanic defendants. However, courts in new destinations and areas with limited Hispanic immigration sentenced U.S. citizen and non-citizen Hispanics more harshly, especially those who were undocumented. The ...

SourceCrime and Justice Research Alliance·JournalJustice Quarterly·DateJun 10, 2019

Radiation treatment increases cardiac risk for lung cancer patients

A retrospective study of 748 NSCLC patients found that the average radiation dose delivered to the heart was associated with an increased risk of major adverse cardiovascular events and death. The team's findings highlight the need for more stringent avoidance of high cardiac radiotherapy doses and collaboration with cardiologists to m...

SourceBrigham and Women's Hospital·JournalJournal of the American College of Cardiology·DateJun 10, 2019

A bubbly new way to detect the magnetic fields of nanometer-scale particles

Researchers at NIST developed a method to measure magnetic properties of nanoparticles by rapidly enlarging magnetic bubbles, revealing the orientation of individual nanoparticle poles. This technique enables fast and economical measurement of magnetic stability for various medical and environmental applications.

SourceNational Institute of Standards and Technology (NIST)·JournalPhysical Review Applied·DateJun 10, 2019

Survey: Majority of current gun owners support the sale of personalized guns

A majority of current gun owners (almost four out of five) support the sale of both traditional and personalized guns through licensed dealers. However, only 18% are likely to purchase a personalized gun for themselves due to added costs. Personalized guns offer safety features to prevent unauthorized use, but their high cost may limit...

SourceJohns Hopkins Bloomberg School of Public Health·JournalAmerican Journal of Preventive Medicine·DateJun 10, 2019