48. So Basically, We Barely Know Anything
Consumer and clinical genetic tests may not always be reliable because science is advancing so quickly. Some tests, like ones that tell you about your Neanderthal ancestry or if you have certain blood-related conditions like sickle cell disease, are usually accurate.

These tests can be really helpful for understanding your background or checking for important health issues. But the tests might not be as dependable for other things, like predicting your risk of getting a disease in the future.