What Causes a Stroke?
A stroke happens when blood flow to part of the brain is blocked or when a blood vessel in the brain bursts. Without oxygen-rich blood, brain cells begin to die within minutes.
Can Cancer Be tracked By A Routine Blood Test?
The standard for cancer detection has relied on scans and tissue biopsies for decades. They work—but they’re invasive, expensive, and they only show one snapshot in time. Now, scientists are exploring a different idea: what if cancer leaves clues behind in the blood that we can read early and repeatedly?
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