For a few hundred dollars and a bit of your spit, you can have parts of your DNA analyzed. If you're more ambitious, $20,000 — and a lot less than that a year from now — will buy you the sequence of your entire genome.But the real question is should you, and others like you, find out what secrets your genome holds? Take autism, for instance. Variations in multiple genes have been linked to the disorder, but carrying these variants does not mean someone has autism. And, it turns out, there are many different — and sometimes, conflicting — ways to estimate autism risk as a result of carrying the variants.In the past two weeks, a flurry of opinion pieces have come out in high-profile scientific journals — one in the New England Journal of Medicine, another in the Lancet and two in Nature. All of them call for stricter government oversight, in the U.S. and U.K., of the largely unregulated genetic testing industry.Read more at...SFARI, August 2010.