Shrews Shrink and Regrow Brains, Offering Clues for Human Diseases

Summary: Scientists used non-invasive MRI to study shrews that seasonally shrink and regrow their brains, uncovering water loss as the key driver of this rare phenomenon. Despite losing about nine…

How FDA panelists casting doubt on antidepressant use during pregnancy could lead to devastating outcomes for mothers

At a meeting held by the Food and Drug Administration on July 21, 2025, a panel convened by the agency cast doubt on the safety of antidepressant medications called selective…

Mitochondria’s Role in Social Memory May Offer Clues to Brain Disorder

Summary: Researchers have identified a unique mitochondrial process in CA2 neurons that supports learning, memory, and social recognition. Mitochondria in different parts of these neurons vary in structure and function,…

Powering Brain Repair: Mitochondria Key to Neurogenesis

Summary: Researchers made a groundbreaking discovery about the maturation process of adult-born neurons in the brain, highlighting the critical role of mitochondrial fusion in these cells. Their study shows that…

How Insulin-Like Growth Factors Bolster Brain Plasticity

Summary: Researchers discovered a mechanism linking insulin-like growth factors (IGF) to brain plasticity. This study uncovers how IGF1 and IGF2 promote brain health and functionality, including learning and memory, through…