Companies that offer saliva-swab DNA tests to assess your ancestry and health are rising in popularity. But do they really work?

Read the transcript at http://www.quickanddirtytips.com/education/science/do-ancestry-dna-tests-actually-work

Check out all the Quick and Dirty Tips shows:

www.quickanddirtytips.com/podcasts

FOLLOW EVERYDAY EINSTEIN

Facebook: https://www.facebook.com/qdteinstein

Twitter: https://twitter.com/qdteinstein