They may sleep around a lot but they make baby chimps only with their genetic opposites.
Frequent penile-vaginal sexual intercourse can stimulate verbal memory in females, study suggests.
Middle-aged men report greater levels of spirituality after exposure to the hormone oxytocin.
An interesting study has found that your sensitivity to particular drugs may be determined by the amount of sex you have.
Millennials and younger generations not as sexual as older generations seem to think.
