Abnormal repetitive behaviors in mice are strongly linked to multiple biomarkers of oxidative stress, which occurs when antioxidants cannot counteract the effects of harmful molecules in the body, according to a study published November 5, 2025, in the open-access journal PLOS One by Kendall Coden and Dr. Joseph Garner of Stanford University, U.S. However, more research is needed to test whether antioxidants can prevent or treat these behaviors.

Belonging to more than one marginalized group can make building and maintaining social connections significantly harder, often in ways that go far beyond a simple sum of disadvantages. A new study shows how inequalities in social ties don’t just add up – they can amplify one another.

Scientists at the Fralin Biomedical Research Institute at VTC found that early-life trauma changes a brain circuit linked to both aggression and self-harm. In mouse studies, the team showed that trauma makes certain calcium channels overactive, increasing vulnerability to these behaviors later in life.

Parents' attachment style may be linked with risk of parental burnout, especially when associated with difficulty in understanding and identifying their emotions