An international study links more than 1,200 genetic variants to the Big Five personality traits, with very small effects for individual variants but substantial cumulative influence; these genetic patterns also associate with health, longevity, education, careers, and daily habits, though environment and life experiences play a strong, interacting role in shaping personality.
A Nature study of genetic and personality data from more than a million people identified over 1,000 genetic variants linked to the Big Five traits, but genetics explains only up to about 13% of personality differences; the rest is shaped by environmental factors, experiences, culture, and upbringing, though certain genetic profiles also correlate with behaviors like where people live and how they responded to COVID early in the pandemic.
A massive study of genetic and personality data from more than a million people finds that DNA accounts for up to about 13% of differences in personality. Thousands of genetic variants each have tiny effects on the Big Five traits (extraversion, openness, conscientiousness, agreeableness, neuroticism). The results show personality is shaped by many genes interacting with environment rather than a single gene, and even link genetic profiles to real-world behaviors like where people live and their COVID-era activity, while non-genetic factors still play a large role.
A large genome-wide association study identified about 1,260 genetic variants associated with personality traits across the Big Five (extroversion, openness, conscientiousness, agreeableness, neuroticism), with roughly two-thirds newly found. The findings show personality is influenced by many genes each with small effects (a polygenic architecture), but genetics only partly explains variation and environmental factors also shape how traits express themselves.
A Nature-led study pooling data from 46 cohorts and more than 1 million people identified about 1,260 genetic variants linked to the Big Five personality traits (extraversion, agreeableness, conscientiousness, neuroticism, openness). While each variant has a tiny effect, collectively they explain roughly 5–16% of trait variation and appear more robust to family background than many other socio-behavioral traits. The team connected these variants to health and behavior, including smoking propensity (via conscientiousness), COVID-19 infection risk (via extraversion) and willingness to participate in research (via agreeableness and openness). The authors caution that genetics can help study personality, but it does not allow predicting an individual’s personality, and they find little evidence that shared family environment or assortative mating drives the associations.
A large-scale GWAS across about 1.14 million people identified roughly 1,260 genetic variants linked to the Big Five personality traits, but these variants collectively explain only about 7.4–10.6% of individual differences and predict less than 4% in new groups, underscoring that genetics influence personality at the population level while environmental factors largely shape individual differences.
The article guides first-time homebuyers on translating a lengthy home inspection report into a strategic plan: prioritize the big five (roof, foundation, HVAC, electrical panel, plumbing), separate routine maintenance from major issues, and sort findings into buckets—fix it later, ask for credits, think twice—to guide negotiations for seller concessions or closing costs. If repairs strain the budget, you may choose to walk away with solid data. It also emphasizes building a cash buffer for post-inspection fixes and highlights down payment assistance options, such as Progressive’s UpPayment program offering up to $13,500 to eligible buyers.
Laurie Clarke experimented with targeted activities over six weeks to modify her personality traits based on recent psychological research, resulting in measurable improvements in neuroticism, extraversion, and agreeableness, demonstrating that personality can be somewhat malleable through conscious effort.
A new study challenges the completeness of the Big Five personality model by using taxonomic graph analysis to uncover additional traits and meta-traits, potentially transforming personality assessment and mental health diagnosis.
Researchers at the University of Barcelona have demonstrated that AI can detect personality traits from written text and understand how these predictions are made using explainable AI techniques like integrated gradients. The study found that the Big Five personality model is more reliable than MBTI for AI-based analysis, with potential applications in psychology, HR, education, and digital platforms. The research emphasizes transparency and ethical use of AI in personality assessment and suggests future work to expand and validate these methods across different contexts and data types.