Complex sentence: A survey in 2006 has found that sexual arousal in about 82% of young females and 52% of young males arises or is enhanced by direct stimulation of nipples, with only 7--8% reporting that it decreased their arousal.
Split into simpler sentences: A survey in 2006 has found that sexual arousal in about 82% of young females and 52% of young males arises or is enhanced by direct stimulation of nipples. With only 7--8% reporting that it decreased their arousal.