Personalized medicine has been tested for years in clinical trials. Trials require tens -- not tens-of-thousands -- of volunteers. Personalized therapies are b

Personalized medicine has been tested for years in clinical trials. Trials require tens -- not tens-of-thousands -- of volunteers. Personalized therapies are being used to treat cancer patients right now, and using machine learning to find the right binding site for a particular patient's tumor should present no more ethical questions than giving them NSAIDs.