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What genes are associated with early onset of Alzheimer's?

The three genes associated with early-onset Alzheimer's are amyloid precursor protein, presenilen 1 and presenilen 2. For those with normal-onset Alzheimer's, a certain form of the apoliproprotein gene (ApoE), which is found in about 15 percent of the population, boosts the risk of Alzheimer's.

Other risk factors for Alzheimer's include high cholesterol, head injuries, lack of exercise, exposure to toxic substances and lack of folate.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.