Agricultural revolution creates labour division among the human and leads to longer life expectancy due to surplus amount of food. This helps in economic growth of the man, which is helpful in increased standard of life. As a result of better living standard infant mortality rate also low.
The agricultural revolution prevents the nomadic activity among the human population. Because he had knew how to produce and store food in one place. Therefore there will be no need of nomadic life.
I would say no because hormones usually travel long distances via blood. This question makes it seem like it is short distance and does not talk about how the secreted entity travels. So my bet is no.