"In women, preferences for male faces, voices, body odors and behavior change over the course of the menstrual cycle as estrogen levels rise and fall. Our work with these songbirds shows a possible neural basis for those changes"

Put aside the specific hormone, what is pointed here is how much happens in the background of one's perception, that has control of what is perceived as very real.... and the 'changes' that we experience must be doubted.

A while ago a study said that strippers made more in tips when they were fertile - I think someone clipped on it.

yes, it has won the lg nobel prize