DNA test developed to drastically change cancer treatment
 

This is a big advancement if everything goes according to plan. The ability to directly monitor treatment through a simple blood DNA test should greatly improve the effectiveness of cancer treatment.

New blood test detects whether a cancerous tumour is responding to therapy - Times Online

I think we're on the brink of a renaissance era in medicine.

Wow, that sounds really exciting.

These tests need to be more widespread. They have DNA tests for many typical druge reactions, too, but they aren't being used much.