By Christine Hsu | Jan 28, 2013 06:42 PM EST
Kissing is a physically affectionate act of pressing the lips against someone or something. The act is commonly used to express a multitude of human emotions like love, respect and friendship. However, what is less obvious is that when two lovers share a passionate kiss, they are also swapping their bacteria, bodily fluids and parts of their genetic code.
By Christine Hsu | Oct 12, 2012 05:38 PM EDT
Psychologists claim that your sleeping habits may reveal the truth about your love life.
By Christine Hsu | Sep 21, 2012 02:09 PM EDT
Scientists have discovered that adding a missing protein to infertile sperm could help "kick-start" its ability to fertilize an egg and significantly increase the chances of a successful pregnancy.
By Makini Brice | Sep 19, 2012 01:41 PM EDT
New research shows that people who are more heavily invested in fictional romances are less likely to be committed to their own relationship.
By Makini Brice | Sep 06, 2012 03:03 PM EDT
Women who dated their partner for longer than six months before having sex later reported higher levels of satisfaction in their relationships.