To examine whether psychological traits (PT) had causal effects on Mouth Ulcers (MU), we applied two-sample Mendelian randomization (MR) to genetics association summary statistics of eleven PT and MU. After… Click to show full abstract
To examine whether psychological traits (PT) had causal effects on Mouth Ulcers (MU), we applied two-sample Mendelian randomization (MR) to genetics association summary statistics of eleven PT and MU. After the adjustment of outlier variants, genetic correlations and multiple testing, well-being (WB) spectrum PT like life satisfactory (odds ratio [OR] = 0.638 per one standard deviation increment of PT score) had protective effects on MU. Reverse WB traits like neuroticism (OR = 1.60) increased the risk of MU. The lack of well-being characteristics may increase the risk of MU, which highlighted the value of preventive oral care for people who have a reverse mental condition.
               
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