An analysis of the Growing Up in Scotland study found no consistent relationship between screen time and emotional or behavioral difficulties in children aged 5 and 10 after accounting for family factors. At 15, teenagers who played video games for five or more hours a day were more likely to have elevated difficulties, while those who used social media for at least an hour were less likely.
In a trial involving 101 adults, two sugar-free ice cream recipes containing the sweet protein brazzein caused roughly half the rise in blood sugar after eating. However, the recipes also differed in other ingredients, and it remains unknown whether regular consumption offers long-term benefits.
Studies and accounts from experts describe high levels of psychological distress among Latino youth, with fear of parents being detained and discrimination making the situation worse. Community organizations are working to improve access to care and ease pressures on families.
A study of 263 people with major depressive disorder identified five different patterns of communication between brain regions, each linked to different symptoms. The findings highlight the biological diversity of depression, but cannot yet be used to select treatments.
In a clinical trial involving 108 adults aged 55 and over, vegetarian and omnivorous diets were associated with similar improvements in strength and physical performance after 12 weeks of resistance exercise. However, those following an omnivorous diet had a greater increase in muscle mass in their limbs.
A study finds stronger genetic traces of similarity between partners in education and smoking in younger generations of Americans. The findings shed light on the relationship between social and genetic patterns, without proving that people today choose more similar partners.
School and university students in the US are redistributing unused medical supplies at risk of being thrown away, sending them to clinics facing shortages at home and abroad. The volunteer initiatives connect access to healthcare with reducing waste.
Canadian physician and author Gabor Maté links addiction and health to psychological trauma, relationships and the social environment. His career includes many years caring for vulnerable patients, harm reduction initiatives and criticism of the scientific evidence behind some of his views.
Residents and environmental organizations are calling for the cancellation of a waste-to-energy plant near Dhaka, citing health risks. Authorities consider the project necessary for waste management, while a reduction in the minimum incineration temperature is intensifying opposition.
Australia's High Court rejected a coal mine expansion, this year's Nobel prizes recognised optogenetics, and a new Parkinson's treatment showed encouraging results, in a week of measurable progress.
The Veritasium video explains how scaling laws, from Kleiber’s law to WBE theory, connect an animal’s mass with its metabolism, heart rate and lifespan, and why humans exceed the one-billion-heartbeat limit.
American neuroscientist and primatologist Robert Sapolsky studied stress in wild baboons for decades and became known for his position that human behavior is biologically determined, without free will.
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