Enzyme Repairs DNA to Prevent Neurodegeneration
Summary: A new study from Osaka University reveals that the DNA repair enzyme DNA polymerase β (Polβ) is essential for protecting the…
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New Neuron Type Controls Memory Recall Accuracy
Summary: Researchers have identified a previously unrecognized population of inhibitory neurons defined by the synaptic adhesion molecule Kirrel3. These neurons receive excitatory…
Prenatal Pesticides Linked to Lasting Brain Damage in Children
Summary: A new longitudinal study offers the most compelling evidence to date that prenatal exposure to the insecticide chlorpyrifos (CPF) disrupts brain…
Study Finds Eight New Genes Linked to Schizophrenia
Summary: The largest whole-exome sequencing study to date has identified eight new genes associated with schizophrenia. Two genes, STAG1 and ZNF136, show…
Immune Attack on Olfactory Pathways May Signal Early Alzheimer’s
Summary: A decline in the sense of smell can be one of the earliest indicators of Alzheimer’s disease. New research explains how…
Boosting Prefrontal Dopamine Could Reduce Alcohol Consumption
Summary: A randomized study shows that tolcapone, a drug that increases cortical dopamine, strengthens brain circuits involved in self-control and correspondingly reduces…
Why Highly Sensitive People Face Greater Mental Health Risk
Summary: A comprehensive meta-analysis of 33 studies finds that individuals with high environmental sensitivity are more likely to experience common mental health…
Insulin Signaling in the Pancreas Linked to Bipolar Mood Swings
Summary: A new study identifies a pancreas–hippocampus feedback circuit that may help explain mood swings in bipolar disorder. Using pancreatic islets derived…
How Dopamine Imbalance Drives Trichotillomania
Summary: A recent study using Sapap3 knockout mice provides new insight into the neural mechanisms that may underlie trichotillomania (TTM), or hair-pulling…
Why Morning Caffeine Boosts Mood More Than Later
Summary: A large real-world study of 236 young adults found that caffeine reliably increases positive emotions, especially in the morning. Participants who…
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