What Your DNA Can’t Tell You

Companies are selling reports about a wide range of physical, cognitive, and behavioral traits to consumers based on their genomic data, but such tests have a number of limitations.

Written byDiana Kwon
| 5 min read
dtc direct-to-consumer genomics genetics myheritage dna.land genomelink

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“Upload DNA data and know more about yourself,” promises Genomelink, anywhere from fitness-related attributes, such as longevity, pulmonary function, and job-related exhaustion, to intelligence-associated characteristics, including mathematical ability, hippocampal volume, and educational attainment. Just send over your data obtained from DNA testing companies such as 23andMe, Ancestry, or My Heritage and the California-based company will send back insight into more than 125 traits.

There are several other companies that provide consumers with reports about physical, cognitive, and behavioral traits based on their DNA data. Some, like GenePlaza, Helix, and Sequencing.com, have launched genetic app stores where users can choose from a variety of products. The cost of these tests varies significantly: The most expensive app on GenePlaza is €6 ($6.50 US), while Helix’s range from free to more than $200. For $14 a month, Genomelink sends users one new trait report per week.

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Meet the Author

  • Diana is a freelance science journalist who covers the life sciences, health, and academic life. She’s a regular contributor to The Scientist and her work has appeared in several other publications, including Scientific American, Knowable, and Quanta. Diana was a former intern at The Scientist and she holds a master’s degree in neuroscience from McGill University. She’s currently based in Berlin, Germany.

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