This seems so obvious, and I've been hearing about this approach for years and years. Yet it still feels like 20 years from now, this will still not be a treatm

This seems so obvious, and I've been hearing about this approach for years and years. Yet it still feels like 20 years from now, this will still not be a treatment, and kids classrooms will still be "nut free", and more and more kids will be carrying around epi-pens which will still cost a fortune.