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Science News Archive 2018 - Page 256


Page 256 of 473

Study with implications for opioid crisis finds opioids raise risk of fracture nonunion

A new study from LSU Health Sciences Center found that opioids significantly increase the risk of fracture nonunion following acute and chronic administration. The researchers also suggest that certain medications, including Schedule II opioids and prescription NSAIDs, create a greater nonunion risk than non-opioid analgesics.

MXene's tour de force

Researchers at Drexel University have found MXene to be the strongest material of its kind, with a high elastic modulus. The material's durability and strength make it suitable for applications such as composite materials, protective coatings, and membranes.

SourceDrexel University·JournalScience Advances·DateJun 15, 2018

When muscles weaken with age

Researchers discover a causal relationship between inflammatory responses in aging nerves and degenerative aging processes. The team found that reducing macrophage activity improves nerve structure and function, increasing mobility and quality of life for those affected by age-related muscle weakness.

Loving the sweet enemy

Research found that foods high in both fats and carbohydrates stimulate the brain's reward system more strongly than other calorie sources. This intensified effect is consistent with game results, suggesting that our brains prefer these types of foods due to evolutionary pressures.

SourceMax-Planck-Gesellschaft·JournalCell Metabolism·DateJun 15, 2018

To share or not to share?

Research suggests that children's tendency to share is linked to their social status in the classroom, with those having few interaction partners tending to be more generous. Higher levels of prenatal testosterone are associated with a 'masculinisation effect' leading to less sharing.

SourceUniversity of Vienna·JournalScientific Reports·DateJun 15, 2018

Frequency of joint replacements halved in rheumatoid arthritis patients between 1997-2010

The frequency of joint replacements in rheumatoid arthritis patients decreased by 51.9% over the past decade, suggesting improved treatment strategies. Biological therapy was found to have a limited impact on this reduction, with no significant association with total hip replacement or knee replacement procedures.

SourceEuropean Alliance of Associations for Rheumatology (EULAR)·JournalAnnals of the Rheumatic Diseases·DateJun 15, 2018

Non-coding DNA changes sex determination

Researchers have identified a critical non-coding DNA element regulating the Sox9 gene, crucial for male sex development. Deleting this enhancer results in sex reversal in mice, shedding light on the genetic mechanisms underlying sex determination and potentially improving diagnosis for patients with differences in sex development.

SourceNorthwestern University·JournalScience·DateJun 14, 2018

New position paper recommends treatment options for nightmare disorder in adults

A position paper from the American Academy of Sleep Medicine recommends image rehearsal therapy as a useful treatment option for nightmare disorder and PTSD-associated nightmares. Cognitive behavioral therapy, hypnosis, and other interventions may also be effective, while clonazepam and venlafaxine are not recommended.

SourceAmerican Academy of Sleep Medicine·JournalJournal of Clinical Sleep Medicine·DateJun 14, 2018

Sorting ghosts

Ghost Cytometry uses novel imaging technique and AI to identify and sort cells with unprecedented high-throughput speed. The system enables fast and accurate isolation and diagnosis of cancer cells, improving medical therapies.

SourceUniversity of Tokyo·JournalScience·DateJun 14, 2018