Tag

Behavior

All articles tagged with #behavior

Aging in Steps: Behavior Predicts Lifespan in Killifish
science28 days ago

Aging in Steps: Behavior Predicts Lifespan in Killifish

Researchers monitored 81 African turquoise killifish from adolescence to death, identifying 100 behavioral building blocks and showing that by early adulthood, differences in sleep and movement predict total lifespan. Shorter-lived fish nap more during the day and swim slower, while longer-lived fish stay active during daylight. Aging appears as 2–6 rapid transitions rather than a smooth decline, with coordinated changes in liver gene activity related to protein production and cellular maintenance aligning with the predictive behavioral shifts. The work suggests behavior can be a sensitive, noninvasive readout of aging and hints wearables could reveal human aging trajectories and potential intervention windows.

Ultra-processed foods tied to behavior issues in preschoolers, study says
health1 month ago

Ultra-processed foods tied to behavior issues in preschoolers, study says

A University of Toronto–led analysis of 2,077 Canadian three-year-olds found that higher ultra-processed food intake at age three is linked to more behavioral and emotional problems by age five; for every 10% increase in calories from UPFs, children showed higher internalizing (anxiety, fear) and externalizing (aggression, hyperactivity) scores, with sweets, breads, and ready-to-eat dishes among the main contributors. Researchers urge a holistic view that considers environmental factors and caution against blaming families, noting the long-term impact of early dietary habits.

Shared genes tie golden retrievers' temperament to human emotions
science1 month ago

Shared genes tie golden retrievers' temperament to human emotions

A Cambridge study analyzed DNA and owners’ reports for 1,300 golden retrievers, linking specific genes to temperament traits like trainability, activity, fear, and aggression. Notably, twelve of these genes are also associated with human traits such as anxiety, depression, and intelligence, suggesting shared genetic roots for emotion and behavior in dogs and people and offering potential guidance for training and veterinary care.

8 Dangerous 60s Practices That Would Be Illegal Today
society3 months ago

8 Dangerous 60s Practices That Would Be Illegal Today

The article highlights seven practices from the 1960s and 70s—such as indoor smoking, corporal punishment, drunk driving, casual drug prescribing, unregulated workplace behavior, children roaming freely, and deceptive advertising—that would be illegal or scandalous today, illustrating how social norms and laws evolve with increased understanding of health, ethics, and safety.

Releasing Lab Mice into Nature Reduces Anxiety and Reveals Surprising Results
science3 months ago

Releasing Lab Mice into Nature Reduces Anxiety and Reveals Surprising Results

Scientists from Cornell University found that rewilding laboratory mice by releasing them into a natural outdoor environment reset their anxiety levels, suggesting that environment plays a significant role in anxiety development and that lab-based anxiety tests may need reevaluation. The study indicates that diverse experiences can help calibrate fear responses, which has implications for understanding anxiety in both animals and humans.

Granddaughter's Transformation Unleashed When Mom Leaves
family5 months ago

Granddaughter's Transformation Unleashed When Mom Leaves

A grandmother struggles with her 11-year-old granddaughter's difficult behavior during babysitting, which she attributes to differences in parenting styles and the child's manipulation. The advice suggests that the grandmother step back from babysitting duties, consider alternative caregivers, and focus on building a loving relationship through fun outings, as the challenging behavior is likely temporary and related to the child's developmental stage and family dynamics.