The sense of smell in women who are on the pill is tuned in to food, while women who are not on the pill are better at picking up the odor of male sweat. This is shown by Swedish and American researchers in the latest issue of Biological Psychology.
It has long been known that the use of hormones affects the sense of smell in humans, but this influence has been seen as general, that is, that the sensitivity to all smells is impacted to the same extent. The researchers study at the Department of Psychology, Uppsala university, metered the sensitivity of women to two odors, one that signals food (nourishment) and one considered to be a social smell, a pheromone that occurs naturally in male sweat. The results show that womens hormonal condition affects their sensitivity to different smells differently.
- Women on the pill were more sensitive to the smell signaling nourishment but less sensitive to the social smell, says Johan Lundström, one of the authors.
Anneli Waara | alfa
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