Causal claim
Circadian Gene Variants Circadian Rhythm DisruptionThe two move together: more cause, more effect. The map scores it at 49% confidence, weighed from 2 articles.
Variants in core clock genes (CLOCK, BMAL1/ARNTL) weaken the transcriptional loop that keeps behavioural and hormonal rhythms entrained, predisposing to the circadian dysregulation seen in bipolar disorder.
Nothing upstream on the map yet.