BLEEDING EDGE
Feb 03, 2020
2 minutes
WORDS: CASSIE SHORTSLEEVE
![menhealau2003_article_034_01_01](https://article-imgs.scribdassets.com/82o01gxf9c7ndy40/images/fileJVZZYXR7.jpg)
“PAINFUL BIOPSIES COULD EVENTUALLY BE REPLACED BY BLOOD TESTING”
Until recently, scientists were limited in what they could glean by looking at your blood: your vitamin and electrolyte levels, your white and red blood-cell counts, the state of your kidneys, and so on. Markers of disease in the bloodstream were simply too small and too complex to detect. Today, however,
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