"Using a defined compound (parthenolide) from feverfew (Tanacetum Parthenium), they inhibited the vasohibins so that the balance between detyrosinated and tyrosinated microtubules in neurons of adult animals became similar to that of newborn animals.

This led to a significant acceleration of nerve regeneration."

The compound was extracted from a common daisy-like plant: https://en.wikipedia.org/wiki/Tanacetum_parthenium