St. Hedwig Hospital and Charité–Universitätsmedizin Berlin researchers report that repeated mornings spent under dim indoor light in healthy young adults raised afternoon and evening cortisol and reshaped sleep in ways ...
Scientists have known for some time that people who experience early childhood adversity are more prone to developing health and behavioral issues in adulthood, but the brain mechanisms behind these disparities are not well ...
Dec 11, 2025
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Vegetarian and vegan diets can support healthy growth when carefully planned with appropriate supplementation, finds a major new meta-analysis—the most comprehensive study to date of plant-based diets in children.
Dec 12, 2025
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As life expectancy continues to climb globally, the focus of many people has moved from longevity alone to living in good health. This has drawn attention to the need to extend "healthspan," the period during which an individual ...
Dec 10, 2025
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Lowering blood sugar levels halves the likelihood of serious heart problems in people with prediabetes.
Dec 12, 2025
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Stress influences what we learn and remember. The hormone cortisol, which is released during stressful situations, can make emotional memories in particular stronger. But how exactly does cortisol help the brain build emotional ...
Dec 10, 2025
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Tanning bed use is tied to almost a three-fold increase in melanoma risk, and for the first time, scientists have shown how these devices cause melanoma-linked DNA damage across nearly the entire skin surface, reports a new ...
Dec 12, 2025
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A new study from Flinders University offers insight into how two of the world's most popular beverages, coffee and tea, may influence bone health in older women.
Dec 11, 2025
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A new University of California San Diego School of Medicine study offers a unified biological model to explain how genetic predispositions and environmental exposures converge to cause autism spectrum disorder (ASD).
Dec 10, 2025
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Humans and most other animals are known to be strongly driven by expected rewards or adverse consequences. The process of acquiring new skills or adjusting behaviors in response to positive outcomes is known as reinforcement ...
