Just as certain animals; dogs, cats, cows evolved symbiotically with humans, so did certain plants.

Corn, wheat, grains, vegetables, fruit trees  all suceed because they help their huiman partners suceed.  Medicinal plants do too.

Most of the commercial medicines available now were discovered by biochemists exploring traditional herbal cures.   Getting back to that root of healthcare, symbiosis between medicine plants and humans might just cure the problems with the rising cost of healthcare that makes it unafordable for most of the people on spaceship earth who need it.

Uninsured in the US?  They have to treat you anyway.  For the billions in the poorer countries it's either Doctors Without Borders or some other heroic NGO or nothing.

Going back to symbniosis with the natural world could reveal a treasure trove of medical enlightenment.  Let the developed world lead the way!