What causes strokes?  Inflammation.  What causes mini strokes?  Inflammation your doctor hasn't detected.  What causes micro clots?  Toxins your doctor don't have tests for.
How do you stop clots from happening again?  You find the cause and get rid of it.  Then your clots will stop.

https://rumble.com/v1ah3it-cure-strokes-heart-attack-and-mciro-clots-with-chinese-medicine.html