CHICAGO — The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago. That process, however, may be about to get a modern makeover.

DEAR DR. ROACH: While most aspects of modern medical care don’t bother me, I despise blood draws from either arm. I always faint when it’s done, and I feel awful afterward for what seems like a long ...

While many other areas in the practice of medicine have been augmented by increasingly sophisticated technology, phlebotomy – the practice of drawing blood for laboratory analysis – has remained ...