I suggest that people learn what are their local wild edible plants (weeds) are and start using them to promote their health and longevity.
Here is a profound explanation of why eating green (wild) edible plants
promote health and longevity:
Food Frontiers 2(3), 241 – 267. https://helda.helsinki.fi/bitstream/handle/10138/335382/fft2.106.pdf?sequence=1 that have spread everywhere on the Earth, with human agriculture.
Wild edible plants are mostly weeds. In the following book, I describe 105 species from viewpoint of the latest (2016 – 2020) research. Because these plants have an extensive distribution, they appear locally everywhere. See https://www.amazon.com/dp/B08KHM8K5V.