It stinks? NO, noo, it's instincts! I was spooked but then I got curious. How does fear have the ability to take complete control? How does it tie in with experiences from our past ancestors? If you want to know the answers but don't feel like reading them, boy do I have a deal for you!

The Biology of Fear

https://pmc.ncbi.nlm.nih.gov/articles/PMC3595162/

The ecology of human fear: survival optimization and the nervous system

https://pmc.ncbi.nlm.nih.gov/articles/PMC4364301/