The current study investigated seasonal variation in internet searches regarding sex and mating behaviors. Harmonic analyses were used to examine the seasonal trends of Google keyword searches during the past 5 years for topics related to pornography, prostitution, and mate-seeking. Results indicated a consistent 6-month harmonic cycle with the peaks of keyword searches related to sex and mating behaviors occurring most frequently during winter and early summer. Such results compliment past research that has found similar seasonal trends of births, sexually transmitted infections, condom sales, and abortions.
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Markey, P.M., Markey, C.N. Seasonal Variation in Internet Keyword Searches: A Proxy Assessment of Sex Mating Behaviors. Arch Sex Behav 42, 515–521 (2013). https://doi.org/10.1007/s10508-012-9996-5