Beginning this spring, the genomic start-up company Navigenics will sell spit kits for $2,500 to those curious enough to learn more about their DNA. Along with results telling you the genetic disorders you can look forward to, you receive advice on how to reduce your chances of developing up to 20 diseases and an offer of genetic counseling sessions.
But paying $2,500 to find out that you are predisposed to Alzheimer’s, which has no cure and few treatment options, could seem like a raw deal. That’s why it seemed a bit unfair when, after spending millions to have his entire genome sequenced, Craig Venter found out that he has the apolipoprotein E gene, predisposing him to Alzheimer’s. But Venter is unfazed. In fact, he has no regrets about the finding. Instead he is trying to do something about it—hoping to push back the onset of the disease by taking drugs, ...