FDA warning brings controversial young blood transfusion company to a halt

On Tuesday, the FDA issued a warning to anyone who might be inclined to give their old bones a jolt with fresh blood harvested from the young.
The idea is pretty far from mainstream, even in Silicon Valley, where the ultra-wealthy have a keen interest in the cutting edge of life-extension science. Still, there’s apparently enough buzz around the practice that the FDA is warning consumers of “unscrupulous actors” who tout the benefits of infusing patients with plasma extracted f