Grandfather’s environmental chemical exposures may influence when girls get first period

Credit: Pixabay/CC0 Public Domain A grandfather’s exposure to endocrine-disrupting chemicals may impact the age when his granddaughter starts her first period, according to a study being presented Sunday at ENDO…

Trove of medieval treasures unearthed in Oslo

Archaeologists have unearthed a trove of nearly 3,000 medieval objects in Oslo’s port district of Bjørvika, Norway. The discovery mostly consists of leather goods, including shoes, bags, and knife sheaths,…

Oxytocin Protects Mood During Sleep Loss

Summary: New research suggests oxytocin, the so-called “love hormone,” may help protect women from mood disturbances caused by sleep disruption and hormonal changes during postpartum and menopause. In a controlled…

Killer whales show a softer side, sharing food with people

They’re known as “killer whales,” but orcas have a surprisingly soft and even generous side. “Orcas often share food with each other—it’s a prosocial activity and a way that they…

Emergency vaccines slash deaths by 60%: Study

Credit: CC0 Public Domain Emergency vaccination during outbreaks of diseases like cholera, Ebola and measles have over the past quarter-century reduced deaths from such illnesses by nearly 60%, according to…

Archaeologists find tomb of Caracol’s first ruler

After more than four decades of excavations at the Maya city of Caracol, University of Houston archaeologists Arlen and Diane Chase have uncovered the long-lost tomb of Te K’ab Chaak,…

Radiation therapy can promote amphiregulin, which increases growth of metastases

Radiation therapy can promote the epidermal growth factor receptor (EGFR) ligand amphiregulin, which increases growth of existing metastases in patients with advanced solid tumors, according to a study recently published…

Mouse study finds tirzepatide slowed obesity-associated breast cancer growth

Credit: Unsplash/CC0 Public Domain The anti-obesity medication tirzepatide, marketed as Mounjaro for diabetes and Zepbound for obesity, reduced obesity-associated breast cancer growth in a mouse model, according to a study…

Maternal Depression Linked to Weaker Bonds

Summary: A comprehensive global review confirms that maternal depression undermines parenting, impairing mother-infant bonding and reducing sensitivity to a child’s needs. Researchers analyzed nearly a decade of observational studies, finding…

Spotting Silent Scars: A New Way to Detect Childhood Abuse

Summary: Childhood maltreatment leaves profound and often unseen scars, affecting mental health, physical well-being, and social development long into adulthood. Traditional assessments are invasive and often miss the full scope…