
This study found that individuals with the AG/GG genotype of the A118G SNP in the OPRM1 gene experienced more pleasant and fewer unpleasant effects from hydromorphone compared to those with the AA genotype, suggesting genotype-based differences in opioid sensi…
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Insomnia and daytime napping are causally associated with an increased risk of major depressive disorder (MDD), while sleep duration influences the risk of schizophrenia and attention-deficit/hyperactivity disorder (ADHD). Highlights: Major Depressive Disorder…
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A study found significant overlaps between various environmental pollutants and dyslexia susceptibility genes, identifying associations with 35 out of 95 chemicals. This suggests that these chemicals may contribute to the development of dyslexia through intera…
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CYP2C19 poor metabolizers showed a nominally higher antidepressant remission rate compared to normal metabolizers, but overall genetic variations in CYP2C19 and CYP2D6 were not significantly associated with antidepressant response. Highlights: Higher Remission…
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Occlusion dysfunction (OD) is causally linked to an increased risk of Alzheimer’s disease (AD), while dentures restoration can mitigate this risk. Highlights: Periodontal disease (PD) and Alzheimer’s do not have a direct causal relationship (P = 0.395). Loose…
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A study found shared brain-specific mechanisms between Alzheimer’s disease (AD) and depression, particularly involving synaptic signaling and immune system pathways in the hippocampus, but no direct genetic overlap. Highlights: Six brain-specific eQTL genes (S…
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Alterations in the gut microbiome are causally linked to major depressive disorder (MDD), with certain gut bacteria either increasing or decreasing the risk of developing MDD. Highlights: Protective Bacteria: Ten gut bacterial taxa, including phylum Actinobact…
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A new study conducted in rural South India has found that people whose parents are blood relatives (consanguineous marriage) have an increased risk of developing schizophrenia compared to the general population. Key Facts: Researchers recruited 120 patients wi…
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Our genes influence more than just our raw intelligence and problem-solving abilities. The latest discoveries in the genetics of intelligence are showing how our DNA shapes how we learn, our educational attainment, occupational success, and even our health out…
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Criminal behavior has complex origins. While social and psychological factors play a clear role, a growing body of research suggests biological factors also influence criminality. Here’s what the science says so far about the biology underlying criminal behavi…
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