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All the different usages that pheromones find in humans have been influenced from studies that have been conducted on insects and mammals such as mice and rodents. However, because of the difference in the way humans react to chemicals and how mammals react, it is often hard to extrapolate the data for human trials. Silk worms produce a hormone that attracts male moths to the breeding female and if this the chemical is isolated and properly used then a tiny drop of the pheromone shall attract over thousand moths at once.
The same happens with mice as well when their specific hormones are laced on neutered individuals. It seems to attract the male mice to it and they try to mate with it. However, it is seen that a neutered individual with no pheromones attracts an aggressive behavior in male mice who drag them around and bite them. Hence, the presence or absence of certain chemicals influences the action of the opposite sex.