New ask Hacker News story: Ask HN: Have you done a DNA test for health reasons and learned anything useful?

Ask HN: Have you done a DNA test for health reasons and learned anything useful?
3 by rococode | 1 comments on Hacker News.
Those DNA testing companies that claim to be able to identify diseases or conditions that you may be susceptible to later in life based on your genes sound mighty tempting. I'm curious if anyone here has done one before and learned something concerning - but helpful - from it? What was your experience?