
genetics
Standard genetic tests for Alzheimer's often fail in non-European populations. A new study shows that blending global genetic data creates a highly accurate tool that predicts both Alzheimer's risk and underlying brain damage across diverse ancestral groups.
A new study indicates that over half the risk for postpartum psychosis is driven by genetics. The findings provide evidence that the condition is a biological vulnerability rather than just a psychological reaction to childbirth.
Published on September 5, 2026 3:38 PM GMT Prepared by: Claudinéia Pereira Costa, PhD; Meghan Barrett, PhD Note: This post is very similar to our own prior EA Forum report on the genetic basis for nociception in another hemipteran, the lac bug ( Kerria lacca, Hemiptera: Kerridae). In several places, we directly use the same text as we wrote in the first report to save time and ensure all limitati…

For more than two decades, researchers have identified hundreds of genes that increase the risk of autism spectrum disorder (ASD). Yet multiple fundamental questions have remained unanswered: among them, how do mutations in these genes lead directly to changes in brain development and how can that knowledge be translated into more effective therapies? In a […]
Nature Communications, Published online: 05 September 2026; doi:10.1038/s41467-026-77389-0 Mexican populations remain underrepresented in genomics. Here, Aguilar-Ordoñez et al. report on 1,481 whole-genomes from the oriGen project, identifying key variants like a CNV driving the Rh-negative blood group.
Huntington’s disease is an inherited condition that gradually robs people of their ability to move, speak and even think clearly—there is no cure

Journalist and author Lise Barnéoud talks to Live Science about her book "Hidden Guests," which dives into the field of microchimerism and how it's transforming our knowledge of genetics, immunology and evolution.
Researchers at UC San Diego have demonstrated that a key cellular enzyme can accurately read an eight-letter genetic alphabet, doubling the four letters used by all known life on Earth. Detailed imaging revealed that RNA polymerase handles synthetic DNA letters in surprisingly similar ways to natural ones. The finding brings scientists closer to building expanded genetic systems that could perfor…

Why do two people with similar lifestyles sometimes have very different body weights and metabolic health? Food intake and physical activity are crucial, but they do not tell the whole story. New research involving more than 1 million people suggests that rare differences in DNA can give some individuals a powerful natural advantage in the […] The post A Million Genomes Reveal a Metabolic Advanta…
[Nature Genetics] Single-cell master regulator analysis of multiple pancreatic ductal adenocarcinoma cohorts identified malignant cells in three co-existing, molecularly distinct developmental lineage states, with distinct histopathological morphologies and spatial architecture.

Other archives and libraries around the world may also contain genetic traces of past disease outbreaks.
Different autoimmune diseases often share genetic risk factors, but not through a single common genetic vulnerability.

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