A recent study aimed to investigate whether a dietary fruit and vegetable intake would influence female mate preferences. This exclusivity has only been shown in golden hamsters  and the rhesus monkey. The men in the study would smell and choose what sample between the two they were more attracted to. Major histocompatibility complex and sexual selection. American Academy of Neurological and Orthopaedic Surgeons.
Psychological Science. Odour can influence mammalian mating both directly and indirectly. Retrieved from " https: Human pheromones and facial characteristics".
Women give off a more favorable smell the more fertile they are, in other words, men notice this and choose the more fertal sample rather than the less fertile sample. The olfactory membrane is made up of olfactory receptors and glands. The increased attraction between people of dissimilar MHCs may help to prevent incest and subsequent birth defects.
Hidden categories: Namespaces Article Talk. Boca Raton, FL: Personality and Individual Differences. Mammalian pheromones can elicit both long-lasting effects that alter the hormone levels of the recipient animal, and short-term effects on its behavior.