Genetic scores for vitamins B9 and D link to personality traits in men and women

Personality isn't just about upbringing. It might also be written in our genes. A new look at 348 healthy people found surprising links between vitamin-related genetic scores and how we feel emotionally. Specifically, the study looked at neuroticism, which describes a tendency toward anxiety and moodiness. The results showed that genetic scores for vitamin B9 were linked to lower levels of neuroticism in women. In men, the opposite was true: genetic scores for vitamin D were linked to higher neuroticism. Interestingly, genetic scores for vitamin B9 showed no connection to neuroticism in men. The researchers also found that these vitamin scores were connected to genetic risks for bipolar disorder and alcohol use disorders in men. These findings suggest that the biological pathways for vitamins might work differently depending on sex. While this is a genetic study, not a trial, it highlights how our biology shapes who we are. The data comes from a group of unrelated individuals, meaning these results apply to a specific type of healthy population. We must remember that genetics are only one piece of the puzzle. Many other factors, like environment and life experiences, also shape our personalities. This research opens a window into how our bodies and minds are connected in ways we are only beginning to understand.