Summary: Male and female mice usually prefer female companions but switch to preferring males under survival stress, a new study reveals. This behavioral shift is driven by distinct brain circuits…
Category: Humans
High-Fat Diets in Adolescence Linked to Adult Impulsivity
Summary: Adolescent rats fed a high-fat diet displayed increased impulsivity and altered decision-making as adults. These “cheesecake rats” were quicker to act on visual cues (indicative of impulsivity) but showed…
Scientists reveal genetic drivers of metastasis across multiple cancer types
Identification of WNT signaling as a key driver of communication networks in metastatic cells. Credit: Molecular Cancer (2025). DOI: 10.1186/s12943-024-02182-w Cancer metastasis—the spread of cancer to other organs—is the leading…
Wildfire smoke inside homes can create health risks that linger for months − tips for cleaning and staying safe
When wildfires spread into neighborhoods, they burn all kinds of materials found in cars and houses and everything around them – electronics, paint, plastics, furniture. Research shows that the mix…
How We Make Life’s Toughest Choices
Summary: A new study presents a novel framework for understanding transformative life decisions, focusing on their complexity and emotional impact. Researchers identified five key dimensions—conflicting cues, change of self, uncertain…
Race- and gender-based microaggressions linked to higher post-birth blood pressure
Credit: Unsplash/CC0 Public Domain Gender-based racism through microaggressions may be linked to higher blood pressure postpartum and beyond, according to research published in Hypertension. People who recently gave birth can…
Tesco’s new infant feeding service draws criticism for ethical concerns
Credit: CC0 Public Domain UK supermarket giant Tesco is being urged to drop an “unethical” pilot of an in-store infant feeding advice service in which midwives are expected to wear…
Want to quit vaping this year? Here’s what the evidence shows so far about effective strategies
Lots of people who vape want to quit, but there’s very little guidance on how best to do so. In the U.S., recent reports estimate that 5.9% of youth and…
The same gene can drive distinct medulloblastoma types in different ways
Characterization of subgroup-specific chromatin landscape of medulloblastoma. Credit: Nature Genetics (2025). DOI: 10.1038/s41588-024-02014-z A study published in Nature Genetics reveals new insights into how medulloblastoma, the most common malignant brain…
Early Reproductive Aging Alters Brain Connectivity, Emotional Health
Summary: Research shows that accelerated reproductive aging in females, such as early puberty or menopause, is linked to increased mental health risks at different life stages. Adolescents experiencing early puberty…
