title: [How does summer affect sexual desire?].
abstract: Sexual desire involves many different things such as sexual thoughts and images, excitement, expectation and orgasm. Mood has a strong association with sexual desire. Fatigue and depression in particular cause lack of sexual desire. By affecting the state of alertness and energy in humans, sunlight may increase sexual activity.
authors.affiliation: Väestöliiton väestöntutkimuslaitos Helsinki.
authors.forename: Osmo
authors.initials: O
authors.lastname: Kontula
authors.forename: Leena
authors.initials: L
authors.lastname: Väisälä
mesh_terms: D005260:Female; D006801:Humans; D007989:Libido; D008297:Male; D012621:Seasons; D012725:Sexual Behavior; D013472:Sunlight