Genetic testing

The downside of the genetic testing boom

Genetic testing on DNA fingerprinting
DNA fingerprinting and relationship testing. Photo: Anton Novoderezhkin/TASS/Getty Images

Genetic testing is advancing and evolving so quickly that it's causing chaos for some patients, the Wall Street Journal reports.

Driving the news: Patients may receive one diagnosis and begin treatment, only to receive a different diagnosis a few years later through more advanced testing.

Genetic testing firms share your DNA data more than you think

Illustration: Sarah Grillo/Axios

Genetic testing companies that trace customers' ancestry are amassing huge databases of DNA information, and some are sharing access with law enforcement, drug makers and app developers.

Why it matters: At-home DNA testing kits are soaring in popularity, but many consumers who take the tests to learn more about their family trees may not realize how that data is being shared for other purposes.