A study of gay brothers adds to evidence that genes influence men's chances of being gay, but the results aren't strong enough to prove it.

Nomograms representing the range of "normal" penis size measurements across all ages and races may help alleviate anxiety about penis size among male patients and may also be useful for research purposes. In total, 17 studies with up to 15,521 males underwent penis size measurement by health professionals.

Gay, Straight or Bi the fact is sometimes our sex life can become very dull. As a qualified sex therapist I have a few ideas that might help spice things up for those people who do want to enjoy sex more but have found themselves to be in a bit of a rut. Sometimes, even if we know all this stuff we can get lazy and forget for a while..