I did this a few years ago.
You do see some pretty cool information regarding ancestry etc. You can opt out of learning about your disease likelihood.
Here is my ancestry breakdown
I guess my biggest concern would be selling this information to Insurance companies etc. I guess i just have to trust that they will not be able to discriminate based on this.
Some interesting aspects are genetic effects on certain medicines.
For example from the Drug Response section:
[QUOTE
]Likely an ultrarapid or rapid metabolizer. Someone with this genotype typically metabolizes certain PPIs at a rapid rate. Although the standard dose is usually effective, some people with this genotype may benefit from a different dose, especially if being treated for H. pylori infection. If you are taking a PPI and your symptoms do not improve, consider talking to your doctor.[/QUOTE]
PPI's are for helping with stomach acid.