> I think somehow our body is pre-wired for some smells. This is a result of millions of years of biological evolution. Bodies that were "less" wired for certa

> I think somehow our body is pre-wired for some smells. This is a result of millions of years of biological evolution. Bodies that were "less" wired for certain smells were likely at some sort of disadvantage. After a lot of generational churning, the average body appears to be "prewired" for the most important smells. > In the same way our body knows "dead person" is a very terrible smell, even if we have never encountered it in our life. Again, Darwinian evolution can explain this.