Welcome to DharmaWheel!
No, there are no such things as coincidences or accidents in a pure sense. Things happen or come together or separate due to causes and conditions.
If you want to find out more about the Bumshi, you may wish to ask about it in the Tibetan Medicine forum:viewforum.php?f=96
all the best,
Thanks to the help of generous sponsors (most of them from DharmaWheel), I'm doing a Vajra Armor (Dorje Kotrab) self-retreat this summer. May the merit be yours!