3-Minute Test Detects Common Hard-to-Diagnose Dementia
Lewy body disease (LBD) is the second most common degenerative brain disorder after Alzheimer’s disease, yet it remains under-recognized. Affecting more than…
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U.S. IQ Scores Drop in Some Regions, Rise in One
Summary: Researchers report declines in verbal reasoning, matrix reasoning and numerical series scores in a large U.S. sample from 2006–2018, while spatial…
Early Violent Media Exposure Tied to Teen Antisocial Behavior
Summary: A longitudinal study of nearly 2,000 children found that boys who were regularly exposed to violent television content between ages 3.5…
Prenatal Brain Growth Patterns Predict Autism Severity
Summary: Fetal brain overgrowth may help explain why autism varies so dramatically in children. A UC San Diego team grew brain cortical…
How Cannabis Impacts Neural Circuit Development
Summary: New research shows that cannabinoid signaling can prune synapses and alter the formation of neural circuits in the developing brain. Source:…
Molecular Switch Reveals How Mutations Shorten Biological Clocks
Summary: A new study reveals how specific genetic mutations can shorten the circadian clock, causing some people to be extreme “morning larks.”…
Dietary Fiber Activates Anti-Cancer Genes
Summary: New research shows that fiber digestion produces short-chain fatty acids—most notably propionate and butyrate—that directly change gene activity through epigenetic modifications…
Environmental Effects on Genes Linked to Suicide Risk
Summary: Researchers at Umeå University and collaborating institutions report that stress-related epigenetic changes in the CRH gene are associated with increased suicidal…
What Ants and Honeybees Reveal About Human Suicide
Could human suicide have evolutionary roots in self-sacrificial behaviors like those seen in species such as honeybees and ants? A researcher at…
Obesity Linked to Lower Brain Opioid Receptor Availability
Researchers at Aalto University and the University of Turku have identified a clear association between obesity and altered opioid neurotransmission in the…
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