Apolipoprotein E
<p>Dec 20, 2010 04:20 PM
 
The <b>E4 variant is the largest known genetic risk factor for early-onset Alzheimer's Disease (AD)</b> in a variety of ethnic groups. Caucasian and Japanese <b>carriers of 2 E4 alleles have between 10 and 30 times the risk of developing AD by 75 years </b>of age, as compared to those not carrying any E4 alleles.
 
I am double E3.</p>