If you're looking to uncover family history or learn more about your health, here's how to decide which DNA testing kit is ...

Last year, I added my DNA profile to a private genealogical database, FamilyTreeDNA, and clicked “Yes” to allow the police to search my genes.

So, I ordered the test, harvested my spit, and sent it off to find out who I really was. I took a DNA test to trace my ancestry and discovered a few huge shocks: 1.