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Excessive time spent online linked to stress and worse mood – study
German study surveyed adults who engage in gaming, pornography and online shopping Spending excessive time online is associated with higher stress levels, worse mood, and greater neglect of other activities, according to analysis. The new study by academics at the University of Duisburg-Essen published in the journal PLOS One, surveyed 900 German adults in 2025…
Exercise and brain function, hedgehog hearing, and can AI change our minds? – podcast
The Guardian’s science editor, Ian Sample, talks to Madeleine Finlay about three eye-catching science stories from the week, including a study that explores the link between exercise and brain health. Also on the agenda: the discovery that hedgehogs can hear high-frequency ultrasound and what this could mean for their conservation, and new research examining how…
Hazardous substances found in all headphones tested by ToxFREE project
Substances include chemicals that can cause cancer, neurodevelopmental problems and the feminisation of males You wear them at work, you wear them at play, you wear them to relax. You may even get sweaty in them at the gym. But an investigation into headphones has found every single pair tested contained substances hazardous to human…