Andrew Huberman· PhD
and they found that there's these substances called phon sides which are given off by the trees not just Hanoi Cyprus trees but just about any kind of trees so fur trees oak trees all sorts of uh pine trees and that these substances interact with our bodies and specifically again the innate immune system they were actually able to look at chromogranin a which is a a substance that's in some of these white blood cells that are are you know fighting white blood cells that fight infections and they were able to show that when they were in that environment there were definite changes in the immune system toward the positive and that these changes lasted for seven days