A dopaminergic wanting system drives foraging in honey bees. A new study shows that encounters with the Asian hornet, a fierce bee predator, decrease brain dopamine levels and thus foraging. Stop signals, used to terminate the waggle dances of receivers, have the same effect, showing the power of bee communication.
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Factors Influencing the Choice Between Multi-Target Stool DNA and Colonoscopy for Colorectal Cancer Screening Among Alaska Native Peoples.
Life (Basel)
January 2025
Alaska Native Tribal Health Consortium, 3900 Ambassador Dr., Anchorage, AK 99508, USA.
The Alaska Tribal Health System is increasing colorectal cancer (CRC) screening among Alaska Native (AN) peoples, who experience the highest CRC rate in the world. Through a clinical trial (NCT04336397), AN people living in rural/remote Alaska were offered either the previously unavailable multi-target stool DNA test (mt-sDNA; Cologuard) or colonoscopy. From April 2022 to August 2024, 113 (59%) people who completed mt-sDNA testing and 51 (39%) who completed a colonoscopy procedure participated in a survey on factors influencing their screening test choice.
View Article and Find Full Text PDFImpact of a community-based lifestyle intervention with initial sedentary reduction or physical activity increasing goals on self-reported health-related quality of life.
Transl Behav Med
January 2025
University of Pittsburgh School of Public Health, Department of Epidemiology, Pittsburgh, PA, USA.
Background: In previous efforts, health-related quality of life (HRQoL) improved for individuals at high risk of type 2 diabetes and cardiovascular disease after participation in community-based lifestyle interventions (LI) with a moderate-to-vigorous physical activity (MVPA) movement goal.
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Delta opioid receptors affect acoustic features of song during vocal learning in zebra finches.
BMC Neurosci
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National Brain Research Centre, Manesar, Gurugram, 122052, Haryana, India.
Delta-opioid receptors (δ-ORs) are known to be involved in associative learning and modulating motivational states. We wanted to study if they were also involved in naturally-occurring reinforcement learning behaviors such as vocal learning, using the zebra finch model system. Zebra finches learn to vocalize early in development and song learning in males is affected by factors such as the social environment and internal reward, both of which are modulated by endogenous opioids.
View Article and Find Full Text PDFSurveillance of non-communicable diseases: What matters to users? A qualitative interview study.
J Health Monit
December 2024
Robert Koch Institute, Department of Epidemiology and Health Monitoring, Berlin, Germany.
Background: Surveillance systems for diseases serve as an early warning system and orientation for decision-makers. As part of the National Diabetes Surveillance at the Robert Koch Institute (RKI), existing formats of information transfer were evaluated and an analysis of users' requirements regarding the dissemination of results of surveillance for non-communicable diseases (NCD) was carried out.
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An agent-based model facilitating stakeholder engagement in management of estuaries along the Texas Gulf Coast (USA).
MethodsX
June 2025
Environmental Science and Engineering Program, The University of Texas at El Paso, El Paso, TX 79968, USA.
We describe an agent-based model purposed for social learning, which was developed by stakeholders, with the technical assistance of professional modelers, to facilitate stakeholder involvement in modeling issues related to the development of an adaptive environmental management plan for the Texas Gulf Coast (USA) estuaries. Stakeholders developed the model during six workshops that spanned a three-year period, and used the model to simulate the population dynamics (recruitment, growth, movement, and mortality) of blue crabs () in the Aransas and Copano Bays in response to various freshwater inflow and harvest scenarios. Results of scenarios representing normal, low, and high harvest levels indicated little effect on blue crab abundances, but harvests increased ≈75 % when harvest level was doubled and decreased ≈50 % harvest level was halved.
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