Your DNA is the most private and personal data you have. It's uniquely yours, it never changes, and it reveals deeply sensitive information about your health, your ancestry, and your family. Once it's compromised, there's no resetting it like a password. Only yesterday there was a BBC news headline: UK Biobank health data listed for sale in China, government confirms. We've all got to learn to take more care of our personal data. Please bear in mind - this is not a diagnosis!