Genes and Environment Shape Personality | Science News

Science News Today | 2 Min News | The Daily News Now! · Sep 8, 2026 · 1m

Scientists have uncovered over 1,200 genetic variants tied to personality — specifically the Big Five traits — revealing how deeply our genes influence everything from health and lifespan to career and income. While no single gene controls who we are, the combined effect of many small genetic influences can significantly shape our behavior. Crucially, environment plays a major role too: genes that make you more outgoing might nudge you toward urban living, which then reinforces that trait. The findings show genetics and environment working hand-in-hand, with implications far beyond psychology…