I found this article really fascinating. I never would have imagined that emotions and trauma can be passed down and affect the gene pool in future generations. According to the following article from the Washington Post , researchers discovered that trauma and fear can be passed down through future generations. Fortunately the good news is that with hypnosis, NLP and Brain Hacks 101 which is what I do for a living I can tell you that we are definitely able to reformat trauma in the brain and also work with transforming fear based emotions.