The Major "C" allele is associated with:

  • Reduced levels of HTR1B protein. 
  • Increased risk of antisocial alcoholism (R).
  • 20% lower average levels of HTR1B in 96 brain samples of dead people (R). 
  • Increased aggressive behavior in children (R), however, these associations with aggressive behavior are not consistently found (R).
  • Men with lower production of HTR1B reported greater anger and hostility than men with higher production (R). 
  • "The results showed that the G allele could significantly increase the risk of ADHD (OR=1.09)" [R]

rs6296

Parent Gene: HTR1B

Importance: 5
Less common allele: G = 34%
More common allele: C = 66%
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