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Placental defects linked to congenital heart defects

Congenital heart defects are the most common form of human birth defect, but we still don't fully understand what causes them.

26 Nov 2024

Mitochondrial energy shutdown triggers inflammatory response instead of cell death

Whether cells in the human body survive or die under stress depends, among other things, on their mitochondria.

26 Nov 2024

Study reveals how liver bile composition changes during enteric infections

Intestinal infections can change the composition of liver bile, leading to changes in immune function and gut bacteria, potentially helping fight off harmful bacteria .

26 Nov 2024

Scientists decode ovarian aging with groundbreaking molecular atlas

Researchers unveil a comprehensive multi-omics atlas of ovarian aging, highlighting coordinated gene expression changes, mTOR signaling, and cellular communication as key to understanding fertility decline.

26 Nov 2024

How public forests in the U.S. nourish and heal millions

Forests in the U.S. provide over 255,000 metric tons of food and medicines annually, sustaining millions through wild harvesting and grazing, with profound cultural, nutritional, and economic benefits.

26 Nov 2024

Growing gulf in US life expectancy deepened by COVID-19 pandemic

Researchers update their analysis from the original Eight Americas study to reflect current life expectancy disparities in the United States.

26 Nov 2024

Machine learning tool detects early signs of Alzheimer's in mice

Subtle signs of Alzheimer's disease can emerge decades before a diagnosis - often in the form of irregular behaviors that reflect very early stages of brain dysfunction.

26 Nov 2024

Specific protein patterns can predict IBD up to 16 years before diagnosis

Scientists at örebro University have identified specific protein patterns in blood that can predict inflammatory bowel disease (IBD) up to 16 years before diagnosis.

26 Nov 2024

Study shows cancers are uniformly growing masses

Researchers at the University of Cologne and the Centre for Genomic Regulation (CRG) in Barcelona have discovered that cancer grows uniformly throughout its mass, rather than at the outer edges.

26 Nov 2024

Research shows impact of concussions on aperiodic brain activity

A new study of high school football players found that concussions affect an often-overlooked but important brain signal.

26 Nov 2024

Coffee reshapes Brazilian diets: sugar up, milk down, and health risks highlighted

Coffee consumption in Brazil influences dietary choices, increasing sugar and sweetener intake while reducing milk and sugar-sweetened beverage consumption, with notable gender differences and public health implications.

25 Nov 2024

Atlas maps plasma proteins to transform disease diagnosis and treatment

Researchers have developed the most comprehensive atlas linking plasma proteins to diseases and traits in over 53,000 individuals, offering groundbreaking insights for precision medicine. This resource uncovers 168,100 protein-disease associations and identifies new therapeutic targets.

25 Nov 2024

Boosters cut long COVID risk significantly

Vaccination, especially booster doses, reduces the risk of long COVID by up to 29%, highlighting its critical role in preventing lingering Omicron-era complications.

25 Nov 2024

GLP-1 receptor agonists prove effective for kidney and cardiovascular outcomes

The biggest and most comprehensive analysis of glucagon-like peptide-1 (GLP-1) receptor agonists on kidney and cardiovascular outcomes shows they have significant benefits in people with and without diabetes.

25 Nov 2024

New insights into leptin's role in hypothalamic neural circuit development

Researchers from the Vanderbilt University School of Medicine Basic Sciences have uncovered the first example of activity-dependent development of hypothalamic neural circuitry.

25 Nov 2024

How neural and hormonal gut-brain communication shapes metabolism and health

Interoception research reveals how gut-brain communication via neural, hormonal, and microbial pathways regulates metabolism, hunger, and overall health, offering insights for therapeutic innovations.

25 Nov 2024

New discovery reveals dual binding in bitter taste receptors

"Tasting Upside-Down - An Unusual Sensing Mechanism was Found in Human Bitter Sensing" A new study revealed that some bitter molecules target their sensor through binding simultaneously at two distinct locations, one outside the cell, and the other inside it.

25 Nov 2024

Study links mother's emotional speech to infant oxytocin levels

Infants whose mothers regularly use language to describe what their child is thinking or feeling, have higher levels of the hormone oxytocin, finds a new study led by UCL researchers.

25 Nov 2024

New brain biomarker could enable early diagnosis of psychosis

The current standard of care for psychosis is a diagnostic interview, but what if it could be diagnosed before the first symptom emerged? Researchers at the Del Monte Institute for Neuroscience at the University of Rochester are pointing toward a potential biomarker in the brain that could lead to more timely interventions and personalized care.

25 Nov 2024

Dopamine and serotonin balance reward learning in opposing ways

If you've heard of two of the brain's chemical neurotransmitters, it's probably dopamine and serotonin. Never mind that glutamate and GABA do most of the work - it's the thrill of dopamine as the "pleasure chemical" and serotonin as tender mood-stabilizer that attract all the headlines.

25 Nov 2024