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Study unveils role of dopamine and serotonin in social behavior

In a study in today's (Monday Feb. 26) Nature Human Behavior, scientists delve into the world of chemical neuromodulators in the human brain, specifically dopamine and serotonin, to reveal their role in social behavior.

26 Feb 2024

Study reveals how long COVID can affect brain function through vascular disruption

The neurological response to coronavirus disease 2019 (COVID-19) may be due to brain-brain barrier (BBB) disruption.

26 Feb 2024

Study shines light on the well-being challenges faced by women in healthcare

Study reviews the well-being of women in healthcare, highlighting the impact of work-life balance, professional autonomy, and supportive environments on their mental health and job satisfaction.

25 Feb 2024

AI chatbots show human-like personality and decision-making traits, study finds

A study in PNAS evaluates AI chatbots against human benchmarks, revealing that AI exhibits human-like behaviors and personality traits, with ChatGPT-4 closely mirroring human responses in strategic decision-making and personality assessments.

25 Feb 2024

SARS-CoV-2-infection and vaccine-induced antibodies wane initially but stabilize for lasting protection

A study published in Immunity shows that antibody responses to SARS-CoV-2 infection and vaccination are long-lasting, with an initial decline followed by stabilization after seven to nine months, highlighting the effectiveness of mRNA vaccines and the importance of hybrid immunity.

25 Feb 2024

How gossip became humanity's oldest viral trend

Researchers use evolutionary game theory and agent-based models to demonstrate how gossip's role in reputation dissemination and selfishness deterrence contributes to its evolutionary stability, suggesting gossip will continue to be a prevalent social beha

25 Feb 2024

Study links ultra-processed foods to gut health risks

A review in Nature Reviews Gastroenterology & Hepatology synthesizes evidence on the negative impacts of ultra-processed foods and food additives on gut health, linking them to chronic diseases and alterations in the gut microbiome.

25 Feb 2024

Fish oil in pregnancy linked to child weight gain and metabolic risks

A study in The American Journal of Clinical Nutrition finds that fish oil supplementation during pregnancy is linked to increased risk of weight gain and metabolic syndrome in offspring at age ten.

25 Feb 2024

Mediterranean diet linked to lower depression risk in older women

A study in the British Journal of Nutrition finds that adherence to the Mediterranean diet is inversely associated with depressive symptoms, particularly in older women, highlighting the diet's potential mental health benefits.

25 Feb 2024

Omalizumab shows promise in preventing food allergy reactions in children, study finds

A drug can make life safer for children with food allergies by preventing dangerous allergic responses to small quantities of allergy-triggering foods, according to a new study led by scientists at the Stanford School of Medicine.

25 Feb 2024

Novel technique could transform the treatment landscape for brain disorders

The human brain's adaptability to internal and external changes, known as neural plasticity, forms the foundation for understanding cognitive functions like memory and learning, as well as various neurological disorders.

24 Feb 2024

Researchers identify new therapeutic for patients with a rare autoimmune disease EGPA

An international team, including researchers from McMaster University and St. Joseph's Healthcare Hamilton, has identified a new therapeutic for patients with a rare autoimmune disease called eosinophilic granulomatosis with polyangiitis (EGPA).

24 Feb 2024

Mindfulness buffers against the dark side of digital work

A new study has revealed that employees who are more mindful in the digital workplace are better protected against stress, anxiety and overload.

24 Feb 2024

Newborn T cells found to excel in immune defense

Scientists have long believed that a newborn's immune system was an immature version of an adult's, but new research from Cornell University shows that newborns' T cells – white blood cells that protect from disease – outperform those of adults at fighting off numerous infections.

24 Feb 2024

Researchers develop promising recombinant flu vaccine using nanoliposome technology

Recombinant protein vaccines, like the Novavax vaccine used to fight COVID-19, offer several advantages over conventional vaccines.

24 Feb 2024

Study reveals pivotal insights into the progression of Parkinson's disease

Parkinson's disease, the second most common type of progressive dementia after Alzheimer's disease, affects nearly 1 million people in the U.S. and an estimated 10 million individuals worldwide.

24 Feb 2024

Identifying antiviral protein IFN-γ as a potential biomarker for Long COVID

SARS-CoV-2 triggers the production of the antiviral protein IFN-γ, which is associated with fatigue, muscle ache and depression. New research shows that in Long COVID patients, IFN-y production persists until symptoms improve, highlighting a potential biomarker and a target for therapies.

24 Feb 2024

Exploring the link between rheumatoid arthritis and atrial fibrillation

Announcing a new article publication for Cardiovascular Innovations and Applications journal. Observational research has indicated that individuals diagnosed with rheumatoid arthritis (RA) have an elevated likelihood of developing atrial fibrillation (AF).

23 Feb 2024

Unlocking vitamin B6's role in pancreatic cancer and immune system battle

Vitamin B6 is beneficial in many ways, notably for its role in maintaining a strong immune system. However, when pancreatic cancer develops, its cells also need vitamin B6 to replicate.

23 Feb 2024

Research sheds new light on brain-heart interactions during sleep

A discovery by researchers from the GIGA - Center of Research Cyclotron at University of Liège reveals that the sleeping body also reacts to the external world during sleep, explaining how some information from the sensory environment can affect sleep quality.

23 Feb 2024