You can order your own blood test now. Interpreting the results is another story.

A vertical test tube containing blood with a blue lid, ready for testing. Medicine and science concept. 3D rendering

Ismadhilov/iStockphoto/Getty Images Lana McDonald, 34, a teacher in Massachusetts, got an Oura Ring two years ago to track her sleep. When she received an email from Oura offering a blood test set for $99, she was intrigued. Her doctor had never ordered any blood tests. The app took her to the Quest Diagnostics website and … Read more