The three variants indicating high risk ratios in Kuwaiti exomes for disease pathogenesis and response to medication were: the VKORC1 variant was associated with warfarin resistance (AD) (heterozygous in four individuals and homozygous recessive in one individual), the ABCA4 variant was associated with susceptibility to age-related macular degeneration (AD) (heterozygous in 12 individuals and homozygous recessive in one individual), and the LIPI variant was associated with susceptibility to hypertriglyceridemia (AD) (heterozygous in 10 individuals). Here, ABCA4 is linked to Alzheimer disease.