![Newt's World show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/092/882/small/newt-s-world.jpeg)
Summary: Genetic testing has become a multi-billion dollar direct-to-consumer business. But how reliable are these DNA tests? And what can they really tell us about our health?
Summary: Genetic testing has become a multi-billion dollar direct-to-consumer business. But how reliable are these DNA tests? And what can they really tell us about our health?