The Lowdown on At-Home DNA Testing, According to Genetic Counselors

Your 23andMe results may not be telling you what you think they are

Illustration: Celia Jacobs

MMore than 26 million people have taken an at-home DNA test from a company like 23andMe or AncestryDNA. Most use these tests to find out more about their family tree, but genetic testing companies are also claiming they can provide…