WHO agency says talc ‘probably’ carcinogenic

Johnson & Johnson pulled its baby powder from the North American market in 2020 after talc came under increased scrutiny due to suspected carcinogens. The World Health Organization’s cancer agency on Friday classified talc as “probably carcinogenic” to humans. However, an outside expert warned that the announcement should not be misinterpreted as a “smoking gun.” … Read more

Key mechanisms identified for neuron regeneration

Source: Pixabay/CC0 Public Domain Neurological disorders, such as trauma, stroke, epilepsy, and various neurodegenerative diseases, often result in permanent loss of neurons, leading to significant impairment in brain function. Current treatment options are limited, largely due to the challenge of replacing lost neurons. Direct neuronal reprogramming, a complex procedure that changes the function of one … Read more

New device inspired by python teeth may reduce risk of rotator cuff re-tear

Schematic of the python-inspired device, placed between tendon and bone, significantly improves standard rotator cuff repair. Credit: Iden Kurtaliaj/Columbia Engineering When most people think of pythons, they visualize the enormous snake constricting and swallowing its victims whole. But did you know that pythons initially hold their prey with their sharp, backward-curving teeth? Medical researchers have … Read more

Research reveals ‘molecular glue’ that helps form and stabilize memories

Memories are stored through the interaction of two proteins: a structural protein, KIBRA (green), which acts as a persistent synaptic label, and a synapse-strengthening enzyme, protein kinase Mzeta (red). Drugs that disrupt memory-maintaining interaction (other colors) erase pre-recorded long-term and distant memories. Credit: Changchi Hsieh, Ph.D. Whether it’s our first visit to a zoo or … Read more

University of Minnesota withdraws groundbreaking research on stem cells and Alzheimer’s disease

Credit: Pixabay/CC0 public domain Years after questions were raised about their integrity, two of the University of Minnesota’s most prominent scientific discoveries have been retracted in the space of one week: one that offered hope for the therapeutic potential of stem cells and the other that offered a promising path to treating Alzheimer’s disease. The … Read more