Men’s brains shrink faster than women’s Study: Men's brains shrink faster than women's, but women still have higher Alzheimer’s rates.
30 minutes less sitting daily boosts metabolism Reducing daily sitting by 30 minutes boosts metabolism, especially in inactive adults at risk for heart disease and diabetes.
HRT linked to lower dementia risk in postmenopausal women Women taking HRT after menopause may have lower dementia risk, study suggests.
Genes linked to cannabis addiction identified Nearly 30% of cannabis users develop substance use disorder; genes may predict addiction risk.
Women portrayed younger than men online, AI amplifies bias Women appear younger than men online, AI worsens bias, study shows.
Lab-grown embryo models produce human blood cells Lab-grown embryo models produce human blood cells, offering hope for regenerative medicine.
South Atlantic Anomaly Expands Rapidly Earth's magnetic field weakens over South Atlantic, expanding anomaly by half the size of Europe since 2014.
Scientists map microbiome hidden deep inside tree trunks Researchers find trillions of bacteria in tree trunks, including methane producers.
Nature visits boost daily happiness, study finds Visiting green and blue spaces linked to higher daily happiness, even for those with mental health disorders.
PFAS levels in mothers linked to children's brain development PFAS in maternal blood linked to children's brain structure and function.