What do we have in common with pine trees and ticks?

Cannabinoids is the short answer. Excerpts from p59 and p62, Editors, Emmanuel S. Onaivi, Takayuki Sugiura, Vincenzo Di Marzo, Endocannabinoids: The Brain and Body’s Marijuana and Beyond, (Taylor & Francis Group, 2006, Florida), pages 59 and 62 are from Chapter 3, by: E.S. Onaivi, H. Ishiguro, P. W. Zhang, Z. Lin, B. E. Akinshola, C. …