Table 1.

Core genes and variants associated with behaviour traits.

Behaviour Trait	Core Genes	Genome Variants	References
Alcohol Use	ADH1B, ADH1C, ALDH2	rs1229984, rs698, rs671	[30,31,44]
Smoking	CHRNA5, CHRNA3, CHRNB4	rs16969968, rs1051730	[38,45,46,47]
Drug Use	DRD2, OPRM1, ABCB1	rs1800497, rs1799971, rs1045642	[48,49,50]
Stress	FKBP5, CRHR1, NR3C1	rs1360780, rs110402, rs6195	[51,52,53]
Anxiety	SLC6A4, HTR1A, HTR2A	rs6295, rs6311, rs6313	[54,55,56]
Fearfulness	SLC6A4, COMT, MAOA	rs4680, rs6323, rs6354	[57,58,59]
Impulsivity	DRD4, SLC6A4, COMT, HTR2A	rs1800955, rs25531, rs4680	[40,41,60]
Lack of Sleep	ABCC9, PER2, PER3, CRY1	rs11046209, rs934945, rs228697	[61,62,63]
Depression	SLC6A4, BDNF, HTR2A	rs25531, rs6265, rs6313	[42,64,65]